Alert archive / Missouri / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 91, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Oct 2, 1991, 5:14 PM CDT for Clark County, Scotland County, Missouri. It was in force for 61 min. 1 report 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
- Oct 2, 1991, 5:14 PM CDT (22:14 UTC)
- Expired
- Oct 2, 1991, 6:15 PM CDT
- In force
- 61 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Clark County, MO, Scotland County, MO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 2, 5:45 PM CDT | Thunderstorm Wind 52 | Clark, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 10.2 hours before the alert went out and 354 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
- 1553 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 279 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 022215 SVRSTL MOC045-199-022315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 514 PM CDT WED OCT 2 1991 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST MISSOURI ...CLARK COUNTY...SCOTLAND COUNTY AT 510 PM...THE PUBLIC REPORTED PING-PONG BALL SIZE HAIL AT MEMPHIS MISSOURI...ABOUT 25 MILES NORTHEAST OF KIRKSVILLE. THIS THUNDERSTORM IS MOVING EAST AT 35 MILES AN HOUR AND WILL MOVE THROUGH THE COUNTIES OF SCOTLAND AND CLARK DURING THE NEXT HOUR. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRAUCTIVE 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 DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. SHEA
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Oct 2, 4:30 PM CDT, 44 minutes before
MOZ002-003-022235- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 427 PM CDT WED OCT 02 1991 ...A BAND OF THUNDERSTORMS HAS DEVELOPED INTO NORTHEAST AND EXTREME NORTH CENTRAL MISSOURI... AT 415 PM...A NARROW BAND OF THUNDERSTORMS EXTENDED FROM 25 MILES NORTHWEST OF KIRKSVILLE TO 25 MILES NORTHEAST OF KIRKSVILLE AND NORTHEASTWARD INTO IOWA. THE STORMS WERE MOVING TOWARD THE EAST AT 30 MPH. THESE THUNDERSTORMS ARE EXPECTED TO MOVE THROUGH SCHUYLER...ADAIR...SCOTLAND...KNOX...CLARK AND NORTHERN LEWIS COUNTIES OF NORTHEAST MISSOURI BETWEEN 430 AND 530 PM. INTENSE LIGHTNING... BRIEF HEAVY RAIN...GUSTY WIND AND SMALL HAIL ARE EXPECTED WITH THESE STORMS. ADDITIONAL DEVELOPUMENT TO THE SOUTH IS POSSIBLE WITH THESE STORMS SO ANOTHER STATMENT WILL BE ISSUED BETWEEN 530 AND 600 PM. TUCKER
Nearby
Severe Thunderstorm Warnings in Missouri, 1991Every severe thunderstorm warning in 1991
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.