Alert archive / Missouri / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 49, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 17, 2008, 10:17 AM CDT for Madison County, Illinois; Saint Charles County, Saint Louis County, City of Saint Louis, Missouri. It was in force for 26 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 17, 2008, 10:17 AM CDT (15:17 UTC)
- Expired
- Mar 17, 2008, 10:43 AM CDT
- In force
- 26 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
Counties Madison County, IL, City of Saint Louis, MO, Saint Charles County, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 39 km from the middle of the area, began a volume at 15:21 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 17, 10:42 AM CDT | HAIL 0.25 | Wood River, IL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 3.3 hours before the alert went out and 206 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
- 906 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 361 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLSX 171517 SVRLSX ILC119-MOC183-189-510-171600- /O.NEW.KLSX.SV.W.0049.080317T1517Z-080317T1600Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1017 AM CDT MON MAR 17 2008 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI NORTHERN ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI NORTHERN ST. LOUIS CITY IN EAST CENTRAL MISSOURI WESTERN MADISON COUNTY IN SOUTHWEST ILLINOIS * UNTIL 1100 AM CDT * AT 1016 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED NEAR MARYLAND HEIGHTS...AND MOVING NORTHEAST AT 50 MPH. * LOCATIONS IMPACTED INCLUDE... BERKELEY... WOODSON TERRACE... KINLOCH... FERGUSON... SPANISH LAKE... DELLWOOD... BLACK JACK... BELLEFONTAINE NEIGHBORS... WOOD RIVER... HARTFORD... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THIS STORM HAS A HISTORY OF LARGE DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS LAT...LON 3900 9012 3880 8986 3856 9056 3870 9065 TIME...MOT...LOC 1517Z 241DEG 48KT 3869 9047 $$ TILLY
1 follow-up statement
000 WWUS53 KLSX 171543 SVSLSX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1043 AM CDT MON MAR 17 2008 ILC119-MOC183-189-510-171553- /O.CAN.KLSX.SV.W.0049.000000T0000Z-080317T1600Z/ MADISON IL-ST. LOUIS CITY MO-ST. LOUIS MO-ST. CHARLES MO- 1043 AM CDT MON MAR 17 2008 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ST. CHARLES...NORTHERN ST. LOUIS...NORTHERN ST. LOUIS CITY AND WESTERN MADISON COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER APPEARED TO BE SEVERE. THUNDERSTORMS CONTINUE TO MOVE NORTHEAST ACROSS THE REGION. SOME OF THESE THUNDERSTORMS MAY PRODUCE PEA SIZED HAIL. LAT...LON 3900 9012 3880 8986 3856 9056 3870 9065 TIME...MOT...LOC 1543Z 242DEG 60KT 3887 8999 $$ TILLY
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 8:28 AM CDT | Severe Thunderstorm Warning | LSX | Randolph | 47 min |
| Mar 17, 9:05 AM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 24 min |
| Mar 17, 11:39 AM CDT | River Flood Warning | LSX | Calhoun, Jersey | 10 days |
| Mar 17, 7:52 AM CDT | Severe Thunderstorm Warning | LSX | Iron, Sainte Genevieve, Saint Francois, Washington | 38 min |
| Mar 17, 9:02 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Washington | 32 min |
| Mar 17, 9:25 AM CDT | Severe Thunderstorm Warning | LSX | Callaway, Gasconade, Montgomery, Osage, Warren | 29 min |
| Mar 17, 10:11 AM CDT | River Flood Warning | LSX | Lincoln | 3 days |
| Mar 17, 10:20 AM CDT | Severe Thunderstorm Warning | LSX | Callaway, Gasconade, Montgomery, Osage | 25 min |
| Mar 17, 10:41 AM CDT | River Flood Warning | LSX | Marion | 28 hr |
| Mar 17, 10:42 AM CDT | Severe Thunderstorm Warning | LSX | Montgomery, Warren | 17 min |
| Mar 17, 11:35 AM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery, Pike, Warren | 25 min |
| Mar 17, 12:43 PM CDT | River Flood Warning | LSX | Cole | 3 days |
| Mar 17, 2:39 PM CDT | Flash Flood Warning | LSX | Audrain, Boone, Callaway | 3 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 2008Severe Thunderstorm Warnings in Illinois, 2008Every severe thunderstorm warning in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.