Alert archive / Missouri / Wind Chill Advisories in 2007
Wind Chill Advisory 2, NWS St. Louis, MO
NWS St. Louis, MO issued this wind chill advisory at Feb 16, 2007, 5:58 AM CST for 7 counties in Missouri; Adams County, Brown County, Pike County, Illinois. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Feb 16, 2007, 5:58 AM CST (11:58 UTC)
- Expired
- Feb 16, 2007, 10:00 AM CST
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
Counties Adams County, IL, Brown County, IL, Pike County, IL, Knox County, MO, Lewis County, MO, Marion County, MO, Monroe County, MO, Pike County, MO, Ralls County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 139 km from the middle of the area, began a volume at 11:57 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, 12.0 hours before the alert went out and 222 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
- 1265 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS43 KLSX 161158 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 558 AM CST FRI FEB 16 2007 ...DANGEROUSLY COLD WIND CHILLS THIS MORNING... ILZ095>097-MOZ018-019-026-027-034>036-161600- /O.NEW.KLSX.WC.Y.0002.070216T1200Z-070216T1600Z/ ADAMS IL-BROWN IL-PIKE IL-KNOX-LEWIS-SHELBY-MARION-MONROE-RALLS- PIKE- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN 558 AM CST FRI FEB 16 2007 ...WIND CHILL ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING... THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CST THIS MORNING. VERY COLD TEMPERATURES OF 2 TO 6 DEGREES BELOW ZERO EARLY THIS MORNING WERE COMBING WITH SOUTHWEST WINDS NEAR 10 MPH TO PRODUCE WIND CHILL VALUES OF 15 TO 20 BELOW ZERO. THESE BITTERLY COLD WIND CHILL VALUES SHOULD PERSIST UNTIL MID MORNING. A WIND CHILL ADVISORY IS ISSUED WHEN WIND 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. $$ FG
1 follow-up statement
000 WWUS43 KLSX 161621 WSWLSX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ST LOUIS MO 1021 AM CST FRI FEB 16 2007 ILZ095>097-MOZ018-019-026-027-034>036-161730- /O.EXP.KLSX.WC.Y.0002.000000T0000Z-070216T1600Z/ ADAMS IL-BROWN IL-PIKE IL-KNOX-LEWIS-SHELBY-MARION-MONROE-RALLS- PIKE- INCLUDING THE CITIES OF...QUINCY...HANNIBAL...BOWLING GREEN 1021 AM CST FRI FEB 16 2007 ...WIND CHILL ADVISORY HAS EXPIRED... UNDER SUNNY SKIES TEMPERATURES HAVE WARMED UP TO BETWEEN 5 AND 10 DEGREES THIS MORNING WITH WIND CHILL INDICIES IN THE ZERO TO MINUS 10 RANGE EXPECTED THROUGH NOON. SO THE WIND CHILL ADVISORY IS NO LONGER IN EFFECT. $$ BYRD
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 2:00 PM CST | Snow and Blowing Snow Advisory | LSX | Audrain, Boone, Callaway, Cole, Crawford, Franklin and 23 more | 14 hr |
Nearby
Wind Chill Advisories in Missouri, 2007Wind Chill Advisories in Illinois, 2007Every wind chill advisory in 2007
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.