Alert archive / Missouri / Wind Chill Advisories in 2011
Wind Chill Advisory 2, NWS St. Louis, MO
NWS St. Louis, MO issued this wind chill advisory at Feb 8, 2011, 3:55 AM CST for 12 counties in Missouri; Adams County, Brown County, Pike County, Illinois. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Feb 8, 2011, 3:55 AM CST (09:55 UTC)
- Expired
- Feb 8, 2011, 11:55 AM CST
- In force
- 8 hr
- Issued by
- NWS St. Louis, MO
Counties Adams County, IL, Brown County, IL, Pike County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, Knox County, MO, Lewis County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Pike County, MO, Ralls County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 123 km from the middle of the area, began a volume at 10:01 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 9.9 hours before the alert went out and 257 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 694 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
076 WWUS43 KLSX 080955 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 355 AM CST TUE FEB 8 2011 ...BITTERLY COLD MORNING EXPECTED OVER THE REGION... .NORTHWESTERLY WINDS WILL CONTINUE TO BRING VERY COLD AIR INTO THE REGION THIS MORNING. THE COMBINATION OF THESE WINDS AND ACTUAL AIR TEMPERATURE NEAR ZERO WILL PRODUCE DANGEROUSLY COLD WIND CHILLS. ILZ095-MOZ018-019-026-027-081800- /O.NEW.KLSX.WC.Y.0002.110208T0955Z-110208T1800Z/ ADAMS IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL 355 AM CST TUE FEB 8 2011 ...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. * TIMING...THE COMBINATION OF VERY COLD AIR AND NORTHWEST WINDS AROUND 10 MPH WILL RESULT IN BITTERLY COLD WIND CHILLS THROUGH LATE THIS MORNING. * WIND CHILL VALUES...MINIMUM WIND CHILLS WILL BE BETWEEN 15 AND 20 BELOW ZERO. * IMPACTS...FROSTBITE CAN RESULT WITHIN 30 MINUTES ON EXPOSED SKIN WITH THESE DANGEROUSLY LOW WIND CHILLS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY IS ISSUED WHEN A WINDS COMBINES WITH VERY LOW TEMPERATURES TO CREATE DANGEROUS CONDITIONS FOR EXPOSED SKIN. THE COLD AIR AND WIND WILL MAKE IT FEEL LIKE IT IS BETWEEN 15 AND 24 DEGREES BELOW ZERO FOR SEVERAL HOURS. THOSE PLANNING TO VENTURE OUTDOORS SHOULD USE COMMON SENSE AND DRESS WARMLY... MAKING SURE THAT ALL EXPOSED SKIN IS COVERED. && $$ BRITT
2 follow-up statements
680 WWUS43 KLSX 081328 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 728 AM CST TUE FEB 8 2011 ...BITTERLY COLD MORNING EXPECTED OVER THE REGION... .NORTHWESTERLY WINDS WILL CONTINUE TO BRING VERY COLD AIR INTO THE REGION THIS MORNING. THE COMBINATION OF THESE WINDS AND ACTUAL AIR TEMPERATURE NEAR ZERO WILL PRODUCE DANGEROUSLY COLD WIND CHILLS. ILZ096-097-MOZ034>036-041-042-047-050-051-081800- /O.EXA.KLSX.WC.Y.0002.000000T0000Z-110208T1800Z/ BROWN IL-PIKE IL-MONROE MO-RALLS MO-PIKE MO-BOONE MO-AUDRAIN MO- MONITEAU MO-CALLAWAY MO-MONTGOMERY MO- INCLUDING THE CITIES OF...BOWLING GREEN...COLUMBIA...MEXICO 728 AM CST TUE FEB 8 2011 ...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. * TIMING...THE COMBINATION OF VERY COLD AIR AND NORTHWEST WINDS AROUND 10 MPH WILL RESULT IN BITTERLY COLD WIND CHILLS THROUGH LATE THIS MORNING. * WIND CHILL VALUES...MINIMUM WIND CHILLS WILL BE BETWEEN 15 AND 24 DEGREES BELOW ZERO. * IMPACTS...FROSTBITE CAN RESULT WITHIN 30 MINUTES ON EXPOSED SKIN WITH THESE DANGEROUSLY LOW WIND CHILLS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY IS ISSUED WHEN A WINDS COMBINES WITH VERY LOW TEMPERATURES TO CREATE DANGEROUS CONDITIONS FOR EXPOSED SKIN. THE COLD AIR AND WIND WILL MAKE IT FEEL LIKE IT IS BETWEEN 15 AND 24 DEGREES BELOW ZERO FOR SEVERAL HOURS. THOSE PLANNING TO VENTURE OUTDOORS SHOULD USE COMMON SENSE AND DRESS WARMLY... MAKING SURE THAT ALL EXPOSED SKIN IS COVERED. && $$ ILZ095-MOZ018-019-026-027-081800- /O.CON.KLSX.WC.Y.0002.000000T0000Z-110208T1800Z/ ADAMS IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL 728 AM CST TUE FEB 8 2011 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. * TIMING...THE COMBINATION OF VERY COLD AIR AND NORTHWEST WINDS AROUND 10 MPH WILL RESULT IN BITTERLY COLD WIND CHILLS THROUGH LATE THIS MORNING. * WIND CHILL VALUES...MINIMUM WIND CHILLS WILL BE BETWEEN 15 AND 24 DEGREES BELOW ZERO. * IMPACTS...FROSTBITE CAN RESULT WITHIN 30 MINUTES ON EXPOSED SKIN WITH THESE DANGEROUSLY LOW WIND CHILLS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY IS ISSUED WHEN A WINDS COMBINES WITH VERY LOW TEMPERATURES TO CREATE DANGEROUS CONDITIONS FOR EXPOSED SKIN. THE COLD AIR AND WIND WILL MAKE IT FEEL LIKE IT IS BETWEEN 15 AND 24 DEGREES BELOW ZERO FOR SEVERAL HOURS. THOSE PLANNING TO VENTURE OUTDOORS SHOULD USE COMMON SENSE AND DRESS WARMLY... MAKING SURE THAT ALL EXPOSED SKIN IS COVERED. && $$ BRITT
516 WWUS43 KLSX 081755 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 1155 AM CST TUE FEB 8 2011 ILZ095>097-MOZ018-019-026-027-034>036-041-042-047-050-051-081900- /O.CAN.KLSX.WC.Y.0002.000000T0000Z-110208T1800Z/ ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO- MONROE MO-RALLS MO-PIKE MO-BOONE MO-AUDRAIN MO-MONITEAU MO- CALLAWAY MO-MONTGOMERY MO- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN... COLUMBIA...MEXICO 1155 AM CST TUE FEB 8 2011 ...WIND CHILL ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE WIND CHILL ADVISORY. WIND CHILLS ARE NO LONGER BELOW -15 ACROSS THE AREA...THEREFORE THE WIND CHILL ADVISORY IS CANCELLED. $$ KANOFSKY
Nearby
Wind Chill Advisories in Missouri, 2011Wind Chill Advisories in Illinois, 2011Every wind chill advisory in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.