Alert archive / Missouri / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 61, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 14, 2001, 2:28 AM CDT for Lewis County, Marion County, Missouri. It was in force for 47 min. 2 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- May 14, 2001, 2:28 AM CDT (07:28 UTC)
- Expired
- May 14, 2001, 3:15 AM CDT
- In force
- 47 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Lewis County, MO, Marion County, MO
The radar
The St Louis radar (KLSX), 170 km from the middle of the area, began a volume at 07:27 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 |
|---|---|---|---|
| May 14, 3:10 AM CDT | Hail 1 | Lewistown, MO | Storm spotters reported 1 inch hail in Lewistown. |
| May 14, 3:10 AM CDT | Hail 1 | Philadelphia, MO | Storm spotters reported 1 inch hail in the Philadelphia area. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 7.5 hours before the alert went out and 208 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
- 1442 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
880 WUUS53 KLSX 140729 SVRSTL MOC111-127-140815- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 228 AM CDT MON MAY 14 2001 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN LEWIS COUNTY IN NORTHEAST MISSOURI NORTHERN MARION COUNTY IN NORTHEAST MISSOURI * UNTIL 315 AM CDT * AT 228 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER EWING...MOVING EAST AT 20 MPH. * LOCATIONS IN THE PATH... MAYWOOD 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. LAT...LON 4013 9196 3980 9181 3980 9141 4013 9152 $$ LENNING
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 10:16 PM CDT | Flash Flood Warning | LSX | Knox, Lewis | 4 hr |
| May 13, 10:20 PM CDT | Severe Thunderstorm Warning | LSX | Knox | 40 min |
| May 13, 10:58 PM CDT | Severe Thunderstorm Warning | LSX | Knox | 47 min |
| May 13, 11:28 PM CDT | Severe Thunderstorm Warning | LSX | Shelby | 47 min |
| May 14, 12:56 AM CDT | Severe Thunderstorm Warning | LSX | Shelby | 49 min |
| May 14, 3:44 AM CDT | Severe Thunderstorm Warning | LSX | Lewis, Marion | 46 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.