Alert archive / Missouri / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 121, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 25, 1996, 4:41 PM CDT for Audrain County, Boone County, Callaway County, Missouri. It was in force for 64 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 25, 1996, 4:41 PM CDT (21:41 UTC)
- Expired
- May 25, 1996, 5:45 PM CDT
- In force
- 64 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Audrain County, MO, Boone County, MO, Callaway County, MO
The radar
The St Louis radar (KLSX), 121 km from the middle of the area, began a volume at 21:48 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 25, 5:05 PM CDT | Hail 0.88 | Mexico, MO | |
| May 25, 5:20 PM CDT | Thunderstorm Wind 52 | Vandalia, MO |
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
Springfield, MO (KSGF), launched 12:00Z, 9.7 hours before the alert went out and 282 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
- 1402 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 1011 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 252143 SVRSTL MOC019-027-007-252245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 441 PM CDT SAT MAY 25 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MISSOURI ...EASTERN BOONE COUNTY...NORTHERN CALLAWAY COUNTY IN EAST CENTRAL MISSOURI ...AUDRAIN COUNTY AT 430 PM...NWS DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM FROM CENTRALIA TO COLUMBIA. THIS STORM WAS MOVING TO THE NORTHEAST AT 15 MPH AND WILL MOVE THROUGH THE COMMUNITIES OF HALLSVILLE...MILLERSBURG... THOMPSON...MEXICO...AND FULTON. THIS IS A D<ANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. FERRY/METZE
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 4:22 PM CDT | Severe Thunderstorm Warning | LSX | Gasconade, Osage | 68 min |
| May 25, 5:17 PM CDT | Severe Thunderstorm Warning | LSX | Pike, Ralls | 43 min |
| May 25, 5:28 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 62 min |
| May 25, 5:37 PM CDT | Tornado Warning | LSX | Pike | 53 min |
| May 25, 5:50 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Warren | 55 min |
| May 25, 5:56 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 49 min |
| May 25, 6:22 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 53 min |
| May 25, 6:47 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 43 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1996Every severe thunderstorm warning in 1996
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.