Barnhart, MO

1:30 AM CST on February 13, 2012 (GMT -0600)
Elev: 696 ft
Lon: 90.4° W
Lat: 38.3° N
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Active Advisory: Winter Weather Advisory (US Severe Weather)
Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Jessica Parker
Weather Underground Forecast for Monday, February 13, 2012.

The trough of low pressure that brought unsettled weather to the West on Sunday will advance into the Plains on Monday with more mixed precipitation. The trough will support a low and associated warm front moving eastward into the Southern Plains. As the system progresses, rain showers with periods of heavy rain and isolated thunderstorms will spread from parts of central/eastern Texas into western Louisiana, mixed precipitation will develop in parts of Oklahoma and Arkansas, and snow will blanket parts of the Central Plains, Mid-Mississippi Valley, and parts of the western Ohio Valley. Areas from eastern Texas through Arkansas should expect the heaviest precipitation totals. Heightened winter weather conditions will allow Winter Weather Advisories and a few Winter Storm Warnings to remain in effect through the day. Elsewhere east of the Continental Divide, lake-effect snow showers will continue along parts of the Lower Great Lakes Snowbelt.

In the West, a Pacific cold front pushing across the Pacific Northwest will drop southward across northern California, bringing coastal and valley rain and significant snowfall to the Sierra Nevadas.
Weather Underground Forecast for Monday, February 13, 2012.

The trough of low pressure that brought unsettled weather to the West on Sunday will advance into the Plains on Monday with more mixed precipitation. The trough will support a low and associated warm front moving eastward into the Southern Plains. As the system progresses, rain showers with periods of heavy rain and isolated thunderstorms will spread from parts of central/eastern Texas into western Louisiana, mixed precipitation will develop in parts of Oklahoma and Arkansas, and snow will blanket parts of the Central Plains, Mid-Mississippi Valley, and parts of the western Ohio Valley. Areas from eastern Texas through Arkansas should expect the heaviest precipitation totals. Heightened winter weather conditions will allow Winter Weather Advisories and a few Winter Storm Warnings to remain in effect through the day. Elsewhere east of the Continental Divide, lake-effect snow showers will continue along parts of the Lower Great Lakes Snowbelt.

In the West, a Pacific cold front pushing across the Pacific Northwest will drop southward across northern California, bringing coastal and valley rain and significant snowfall to the Sierra Nevadas.
Weather Underground Broadcast Network
Barnhart Weather at a Glance
Updated 1:30 AM CST
Weather Station - report
Imperial
Elevation
600 ft
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Now
Clear
Clear
Temperature
23.4 °F
Feels Like 23 °F
Wind(mph)
0.0
Sunrise / Set
6:55 AM
5:37 PM
Moon
Waning Gibbous
Tonight
Partly Cloudy 22 °F
Partly Cloudy
Monday
Snow 32 °F
Snow
90% chance of precipitation
Monday Night
Ice Pellets 29 °F
Ice Pellets
100% chance of precipitation
Tuesday
Mostly Cloudy 40 | 27 °F
Mostly Cloudy
Wednesday
Chance of Rain 47 | 38 °F
Chance of Rain
30% chance of precipitation
Thursday
Chance of Rain 49 | 31 °F
Chance of Rain
30% chance of precipitation
Today is forecast to be Cooler than yesterday.
Conditions
Pressure
30.14 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
59%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KCPS 130653Z AUTO 15005KT 10SM CLR M03/M11 A3027 RMK AO2 SLP254 T10281106
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Weather Radio
Launch Weather Radio
Temperature
Windchill
23 °F
Dew Point
11 °F
Wind
Speed / Dir
Calm
Wind Gust
0.0 mph
Health
UV
0 out of 16
Pollen
.40 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Regional
View Flu Map
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Regional Forecast for Jefferson
Monday
chancesnow Chance of snow early in the morning...then snow in the late morning and afternoon. Snow accumulation around 1 inch. High in the lower 30s. South wind 10 to 15 mph. Chance of snow near 100 percent.
Monday Night
nt_snow Snow in the evening...then chance of light snow and patchy freezing drizzle after midnight. Snow accumulation around 2 inches. Total snow accumulation around 3 inches. Near steady temperature around 30. South wind around 10 mph. Chance of measurable precipitation near 100 percent.
Tuesday
cloudy Mostly cloudy in the morning and early afternoon then becoming partly cloudy. High around 40. West wind around 10 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Low in the upper 20s. Light wind.
Wednesday
chancerain Mostly cloudy. A 30 percent chance of rain in the afternoon. High in the upper 40s.
Wednesday Night
nt_rain Rain likely. Low around 40. Chance of rain 70 percent.
Thursday
chancerain Partly sunny with a 30 percent chance of rain. High around 50.
Thursday Night and Friday
nt_partlycloudy Partly cloudy. Low around 30. High in the upper 40s.
Friday Night and Saturday
nt_sunny Mostly clear. Low around 30. High in the lower 50s.
Saturday Night and Sunday
nt_partlycloudy Partly cloudy. Low in the lower 30s. High in the lower 50s.
Source: NWS at 11:56 PM CST on February 12, 2012
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Nowcast
Winter Weather Advisory in effect from 9 am Monday to midnight CST Monday night...
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Forecast
View Calendar 7-Day Weather Forecast for 63012
Monday, 13
Snow
32 | 29 °F
Snow
Chance of
Precipitation
90%
Tuesday, 14
Mostly Cloudy
40 | 27 °F
Mostly Cloudy
Chance of
Precipitation
10%
Wednesday, 15
Chance of Rain
47 | 38 °F
Chance of Rain
Chance of
Precipitation
30%
Thursday, 16
Chance of Rain
49 | 31 °F
Chance of Rain
Chance of
Precipitation
30%
Friday, 17
Partly Cloudy
47 | 31 °F
Partly Cloudy
Chance of
Precipitation
10%
Saturday, 18
Clear
50 | 32 °F
Clear
Chance of
Precipitation
10%
Sunday, 19
Chance of Rain
50 | NA
Chance of Rain
Chance of
Precipitation
20%
Source: NWS at 11:56 PM CST on February 12, 2012
Regional Forecast for Jefferson
Rest of Tonight
nt_cloudy Cloudy. Low in the lower 20s. Temperature rising through the 20s through sunrise. Light wind.
Monday
chancesnow Chance of snow early in the morning...then snow in the late morning and afternoon. Snow accumulation around 1 inch. High in the lower 30s. South wind 10 to 15 mph. Chance of snow near 100 percent.
Monday Night
nt_snow Snow in the evening...then chance of light snow and patchy freezing drizzle after midnight. Snow accumulation around 2 inches. Total snow accumulation around 3 inches. Near steady temperature around 30. South wind around 10 mph. Chance of measurable precipitation near 100 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 25 | 9 29 | 20 31 | 27 31 | 29
Wind 7 mph South 12 mph South 7 mph South 7 mph South
Humidity 47% 68% 81% 92%
Chance of Precip. 10% 100% 100% 100%
Cloud Cover 100% 100% 100% 100%
Conditions Chance of Snow Snow Snow Ice Pellets
Sunrise & Sunset
6:55 AM
5:37 PM
Source: NWS at 11:56 PM CST on February 12, 2012
Regional Forecast for Jefferson
Tuesday
cloudy Mostly cloudy in the morning and early afternoon then becoming partly cloudy. High around 40. West wind around 10 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Low in the upper 20s. Light wind.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 29 | 29 36 | 32 36 | 31 31 | 27
Wind 5 mph SW 6 mph West 4 mph West 2 mph SSW
Humidity 95% 85% 78% 84%
Chance of Precip. 100% 10% 10% 0%
Cloud Cover 100% 81% 30% 38%
Conditions Overcast Mostly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:53 AM
5:38 PM
Source: NWS at 11:56 PM CST on February 12, 2012
Regional Forecast for Jefferson
Wednesday
chancerain Mostly cloudy. A 30 percent chance of rain in the afternoon. High in the upper 40s.
Wednesday Night
nt_rain Rain likely. Low around 40. Chance of rain 70 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 29 | 27 41 | 36 45 | 40 41 | 38
Wind 2 mph South 6 mph SSE 6 mph SE 4 mph South
Humidity 92% 81% 82% 89%
Chance of Precip. 0% 30% 30% 60%
Cloud Cover 69% 83% 97% 98%
Conditions Partly Cloudy Chance of Rain Rain Rain
Sunrise & Sunset
6:52 AM
5:39 PM
Source: NWS at 11:56 PM CST on February 12, 2012
Regional Forecast for Jefferson
Thursday
chancerain Partly sunny with a 30 percent chance of rain. High around 50.
Thursday Night and Friday
nt_partlycloudy Partly cloudy. Low around 30. High in the upper 40s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 40 | 38 45 | 38 43 | 34 38 | 31
Wind 1 mph SW 6 mph West 6 mph West 6 mph WNW
Humidity 92% 73% 67% 75%
Chance of Precip. 60% 30% 30% 10%
Cloud Cover 89% 57% 33% 35%
Conditions Chance of Rain Chance of Rain Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:51 AM
5:40 PM
Source: NWS at 11:56 PM CST on February 12, 2012
Regional Forecast for Jefferson
Thursday Night and Friday
nt_partlycloudy Partly cloudy. Low around 30. High in the upper 40s.
Friday Night and Saturday
nt_sunny Mostly clear. Low around 30. High in the lower 50s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 27 43 | 27 41 | 27 36 | 25
Wind 6 mph WNW 7 mph WNW 6 mph WNW 5 mph West
Humidity 78% 55% 57% 66%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 42% 25% 23% 17%
Conditions Partly Cloudy Clear Clear Clear
Sunrise & Sunset
6:50 AM
5:41 PM
Source: NWS at 11:56 PM CST on February 12, 2012
Regional Forecast for Jefferson
Friday Night and Saturday
nt_sunny Mostly clear. Low around 30. High in the lower 50s.
Saturday Night and Sunday
nt_partlycloudy Partly cloudy. Low in the lower 30s. High in the lower 50s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 32 | 25 45 | 29 45 | 32 38 | 31
Wind 2 mph SW 5 mph SSW 4 mph South 5 mph SSW
Humidity 74% 52% 60% 75%
Chance of Precip. 0% 10% 10% 20%
Cloud Cover 20% 17% 38% 57%
Conditions Clear Clear Chance of Rain Chance of Rain
Sunrise & Sunset
6:50 AM
5:41 PM
Source: NWS at 11:56 PM CST on February 12, 2012
Regional Forecast for Jefferson
Saturday Night and Sunday
nt_partlycloudy Partly cloudy. Low in the lower 30s. High in the lower 50s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 31 45 | 36 45 | 32 38 | 31
Wind 5 mph SSW 8 mph South 4 mph South 5 mph SSW
Humidity 85% 67% 60% 75%
Chance of Precip. 20% 20% 10% 20%
Cloud Cover 60% 63% 38% 57%
Conditions Chance of Rain Chance of Rain Chance of Rain Chance of Rain
Sunrise & Sunset
6:50 AM
5:41 PM
BestForecast (what's this?)
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
February 13, 2012 Max Temp Min Temp
Normal (KCPS) 48 °F 25 °F
Record (KCPS) 83 °F (1962) 12 °F (1944)
Yesterday 36.7 °F 15.4 °F
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Astronomy
Feb. 13, 2012 Rise Set
Actual Time 6:55 AM CST 5:37 PM CST
Civil Twilight 6:27 AM CST 6:04 PM CST
Nautical Twilight 5:56 AM CST 6:35 PM CST
Astronomical Twilight 5:26 AM CST 7:06 PM CST
Moon No Moon Rise 10:00 AM CST
Length Of Visible Light 11h 36m
Length of Day
10h 42m
Tomorrow will be 2m 17s longer.
Waning Gibbous, 66% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Visit Astronomy
Today's Extremes
State Highs State Lows
35 °F
Clinton
35 °F
Sedalia
35 °F
Kansas City
34 °F
Lee's Summit
34 °F
St. Joseph
21 °F
Farmington
23 °F
Spirit of St Louis
23 °F
Cape Girardeau
25 °F
Poplar Bluff
27 °F
St. Charles
Source: NWS
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Travel Planning
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Aviation
City Temp. Conditions Updated
Cahokia 27 °F Clear 12:53 AM CST
Spirit of St Louis 23 °F Partly Cloudy 12:54 AM CST
St. Louis 28 °F Mostly Cloudy 12:51 AM CST
Belleville 21 °F Mostly Cloudy 12:55 AM CST
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Flight To ETA Status
No flights were found.
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Type Condition
Flight Rule: VFR (KCPS)
Wind Speed: 5.0 kts.
Wind Dir: 0° (North)
Ceiling: Unlimited

METAR KCPS 130653Z AUTO 15005KT 10SM CLR M03/M11 A3027 RMK AO2 SLP254 T10281106

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Nearby Events
Event Date Forecast
DFR's 100th Show! 9:00 PM CST 2012-02-18 Chance of Rain, 42°F
Arnold, MO Show 5:00 PM CST 2012-02-18 Clear, 45°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Partly Cloudy, 59 °F
Gatorade Duel 1 2:19 PM EST on February 23, 2012 Average High 70° F/ 21° C
Event Date Forecast
Northern Trust Open 8:30 AM PST on February 16, 2012 Clear, 63 °F
Northern Trust Open 8:30 AM PST on February 17, 2012 Clear, 63 °F
BMW Championship 8:30 AM CDT on September 06, 2012 Average High 85° F/ 29° C
BMW Championship 8:30 AM CDT on September 07, 2012 Average High 85° F/ 29° C
View all Sports Weather
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Imperial, MO 23.4 °F 23 °F 11 °F 59% North  at  0.0 mph 0.00 in / hr 600 ft 1:30 AM CST Rapid Fire  
Imperial - Wellington Subdivision, Imperial, MO 27.5 °F 28 °F 16 °F 62% WNW  at  0.0 mph 0.00 in / hr 479 ft 1:30 AM CST Rapid Fire
Lake Lorraine, Hillsboro, MO 23.8 °F 24 °F 15 °F 69% NW  at  0.0 mph - / hr 576 ft 1:16 AM CST Normal  
Arnold, MO 25.9 °F 26 °F 15 °F 62% South  at  0.0 mph 0.00 in / hr 507 ft 1:28 AM CST Normal  
House Springs, House Springs, MO 20.8 °F 21 °F 14 °F 76% North  at  0.0 mph 0.00 in / hr 561 ft 1:30 AM CST Rapid Fire
HADS MERAMEC RIVER AT ARNOLD MO, Saint Louis, MO - - - - North  at  - 0.00 in / hr 373 ft 12:30 AM CST MADIS
Jefferson County, Cedar Hill, MO 26.3 °F 26 °F 10 °F 51% SSE  at  0.0 mph 0.00 in / hr 660 ft 1:30 AM CST Normal  
On The Bluffs, Waterloo, IL 25.6 °F 26 °F 11 °F 53% West  at  0.0 mph 0.00 in / hr 670 ft 1:17 AM CST Normal  
MesoWest Warnock , Columbia, IL 27 °F 27 °F - - North  at  - 0.00 in / hr 404 ft 11:55 PM CST MADIS
Cliffwood Trail, Oakville, MO 23.4 °F 23 °F 6 °F 47% WSW  at  0.0 mph 0.00 in / hr 578 ft 1:30 AM CST Rapid Fire
Christopher Winds, Oakville, MO 24.9 °F 25 °F 8 °F 47% SW  at  0.0 mph 0.00 in / hr 607 ft 1:27 AM CST Normal  
Cardinal Creek Subdivision, Oakville, MO 25.7 °F 26 °F 14 °F 60% North  at  0.0 mph 0.00 in / hr 600 ft 1:25 AM CST Normal
THE Chesapeake on the Bluff, Columbia, IL 28.3 °F 28 °F 12 °F 49% North  at  0.0 mph 0.00 in / hr 560 ft 1:10 AM CST Rapid Fire  
Oakville,Cardinal Creek Subd, Oakville, MO 25.7 °F 26 °F 13 °F 59% SE  at  0.0 mph 0.00 in / hr 538 ft 1:30 AM CST Rapid Fire
Chesapeake on the Bluff, Columbia, IL 27.9 °F 28 °F 8 °F 42% ESE  at  1.1 mph 0.00 in / hr 600 ft 1:30 AM CST Rapid Fire  
tel haven ct, Oakville, MO 28.4 °F 28 °F 14 °F 55% East  at  2.7 mph - / hr 579 ft 1:20 AM CST Normal  
San Luis Trails, Fenton, MO 25.1 °F 25 °F 11 °F 55% West  at  0.0 mph 0.00 in / hr 580 ft 1:30 AM CST Rapid Fire  
The Meadows at Forder Oaks, St. Louis, MO 29.7 °F 30 °F - 48% WSW  at  0.0 mph 0.00 in / hr 545 ft 1:30 AM CST Normal  
Hawkins/Smizer Mill, Fenton, MO 26.8 °F 27 °F 11 °F 51% SE  at  0.0 mph 0.00 in / hr 595 ft 1:07 AM CST Normal
HADS MARTIGNEY CK AT SUNRISE HEIGHTS MO, Saint Louis, MO - - - - North  at  - 0.00 in / hr 470 ft 12:00 AM CST MADIS
South St. Louis County, St. Louis, MO 32.2 °F 32 °F - 39% North  at  0.0 mph 0.00 in / hr 574 ft 1:30 AM CST Normal  
APRSWXNET Fenton MO , Fenton, MO 26 °F 26 °F 13 °F 57% WNW  at  0 mph 0.00 in / hr 590 ft 12:50 AM CST MADIS
Olympian Village, MO 18.5 °F 18 °F 14 °F 84% WSW  at  0.0 mph 0.00 in / hr 597 ft 1:30 AM CST Rapid Fire  
APRSWXNET Sappington MO , Saint Louis, MO 28 °F 28 °F 11 °F 48% South  at  0 mph 0.00 in / hr 606 ft 12:50 AM CST MADIS
St. Joseph Hill, Pacific, MO 25.8 °F 26 °F 14 °F 62% SSW  at  0.0 mph 0.00 in / hr 555 ft 1:24 AM CST Normal  
HADS MERAMEC RIVER NEAR EUREKA 2E MO, Eureka, MO - - - - North  at  - 0.00 in / hr 405 ft 12:30 AM CST MADIS
Gedern Village, Columbia, IL 26.1 °F 26 °F -14 °F 16% South  at  0.0 mph 0.00 in / hr 502 ft 1:30 AM CST Rapid Fire  
HADS MERAMEC RIVER AT VALLEY PARK MO, Valley Park, MO - - - - North  at  - 0.00 in / hr 430 ft 12:30 AM CST MADIS
Sunset Hills, St Louis, MO 29.3 °F 29 °F 12 °F 47% SW  at  0.0 mph 0.00 in / hr 615 ft 1:30 AM CST Rapid Fire
NE Columbia, Columbia, IL 26.8 °F 27 °F 10 °F 50% SSE  at  0.0 mph 0.00 in / hr 402 ft 1:30 AM CST Rapid Fire  
Radiom Dr, Affton, MO 25.3 °F 25 °F 10 °F 52% WSW  at  0.0 mph 0.00 in / hr 470 ft 1:30 AM CST Rapid Fire  
Big Bend and I-270, Kirkwood, MO 27.2 °F 27 °F 11 °F 50% South  at  0.0 mph 0.00 in / hr 620 ft 1:30 AM CST Normal  
South County, Affton, MO 26.0 °F 26 °F 14 °F 61% West  at  0.0 mph 0.00 in / hr 480 ft 1:30 AM CST Rapid Fire
Manchester, MO, Manchester, MO 24.1 °F 24 °F 16 °F 72% WSW  at  0.0 mph 0.00 in / hr 543 ft 1:27 AM CST Normal
Lake Cattails, Pacific, MO 27.0 °F 27 °F 8 °F 43% NW  at  0.0 mph 0.00 in / hr 574 ft 1:30 AM CST Rapid Fire  
APRSWXNET Wildwood MO , Eureka, MO 27 °F 27 °F 15 °F 60% SE  at  2 mph 0.00 in / hr 721 ft 12:50 AM CST MADIS
Westglen Village, Ballwin, MO 24.5 °F 24 °F 16 °F 68% WSW  at  0.0 mph 0.00 in / hr 680 ft 1:30 AM CST Rapid Fire  
HADS MERAMEC RIVER NEAR PACIFIC MO, Pacific, MO - - - - North  at  - 0.00 in / hr 680 ft 12:30 AM CST MADIS
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Winter Weather Advisory
Mobile & Email Alerts Statement as of 3:02 PM CST on February 12, 2012

... Winter Weather Advisory in effect from 9 am Monday to midnight
CST Monday night...

The National Weather Service in St Louis has issued a Winter
Weather Advisory for snow... which is in effect from 9 am Monday
to midnight CST Monday night.

* Timing... snow will begin during the mid-morning hours and
persist through much of the evening on Monday. The heaviest
snowfall is expected to occur during the late afternoon and
early evening hours.

* Accumulations... snowfall accumulations of 2 to 4 inches are
anticipated.

* Winds... southerly winds at 10 to 15 mph with gusts to around 20 mph.

* Impacts... the heaviest snowfall is expected to occur during the
afternoon and evening commute resulting in hazardous driving
conditions.

Precautionary/preparedness actions...

A Winter Weather Advisory is issued for a variety of winter
weather conditions... such as snow... blowing snow... sleet... or
freezing drizzle and rain. It only takes a small amount of wintry
precipitation to make roads... bridges... sidewalks... and parking
lots icy and dangerous. It is often difficult to tell when ice
begins to form... so do not be caught off guard.