Alert archive / Missouri / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 39, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 10, 2001, 2:29 AM CDT for Pike County, Missouri. It was in force for 46 min. 1 report 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
- Apr 10, 2001, 2:29 AM CDT (07:29 UTC)
- Expired
- Apr 10, 2001, 3:15 AM CDT
- In force
- 46 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Pike County, MO
The radar
The St Louis radar (KLSX), 84 km from the middle of the area, began a volume at 07:32 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 |
|---|---|---|---|
| Apr 10, 3:00 AM CDT | Hail 0.75 | Bowling Green, MO | The Sheriff Department reported 3/4 inch hail in Bowling Green. |
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
Lincoln, IL (KILX), launched 00:00Z, 7.5 hours before the alert went out and 246 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
- 1891 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 2017 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLSX 100729 SVRSTL MOC163-100815- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 229 AM CDT TUE APR 10 2001 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... PIKE COUNTY IN NORTHEAST MISSOURI * UNTIL 315 AM CDT * AT 229 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 13 MILES WEST OF NEW HARTFORD...MOVING EAST AT 50 MPH. * LOCATIONS IN THE PATH... NEW HARTFORD CURRYVILLE BOWLING GREEN EOLIA LOUISIANA THIS THUNDERSTORM IS CAPABLE OF PRODUCING LARGE HAIL THAT CAN CAUSE SERIOUS INJURY AND EXTENSIVE PROPERTY DAMAGE. TAKE SHELTER INSIDE OF A STURDY BUILDING NOW LAT...LON 3932 9145 3915 9142 3924 9088 3950 9107
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 8:26 PM CDT | Severe Thunderstorm Warning | LSX | Callaway | 49 min |
| Apr 9, 8:35 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Osage | 40 min |
| Apr 9, 8:44 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 46 min |
| Apr 9, 8:56 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis | 49 min |
| Apr 9, 8:59 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade | 46 min |
| Apr 9, 9:19 PM CDT | Severe Thunderstorm Warning | LSX | Warren | 41 min |
| Apr 9, 9:29 PM CDT | Severe Thunderstorm Warning | LSX | Pike, Ralls | 46 min |
| Apr 9, 9:34 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 26 min |
| Apr 9, 9:35 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 40 min |
| Apr 9, 9:43 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 47 min |
| Apr 9, 10:06 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 39 min |
| Apr 9, 10:18 PM CDT | Tornado Warning | LSX | Washington | 42 min |
| Apr 9, 10:46 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 44 min |
| Apr 10, 1:18 AM CDT | Severe Thunderstorm Warning | LSX | Boone | 42 min |
| Apr 10, 1:55 AM CDT | Severe Thunderstorm Warning | LSX | Audrain | 50 min |
| Apr 10, 4:24 AM CDT | Severe Thunderstorm Warning | LSX | Pike | 36 min |
| Apr 10, 6:26 PM CDT | Tornado Warning | LSX | Boone, Moniteau | 64 min |
| Apr 10, 6:56 PM CDT | Tornado Warning | LSX | Callaway | 64 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.