Alert archive / Missouri / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 85, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 30, 1990, 11:37 AM CDT for Clark County, Missouri. It was in force for 53 min.
The area
The counties it named.
The facts
- Issued
- Jun 30, 1990, 11:37 AM CDT (16:37 UTC)
- Expired
- Jun 30, 1990, 12:30 PM CDT
- In force
- 53 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Clark County, MO
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 4.6 hours before the alert went out and 402 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
- 3663 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 37 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 301640
SVRSTL
MOC045-301730-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1137 AM CDT SAT JUN 30 1990
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTHEAST MISSOURI
...CLARK
AT 1135AM...THE NATIONAL WEATHER SERVICE WAS ISSUED SEVERE
THUNDERSTORMS WARNING FOR CLARK COUNTY...THE RADAR INDICATED STRONG
THUNDERSTORMS WITH STRONG AND GUSTY WIND NEAR 60 MPH AND POSSIBLE HAIL
THESE STORMS WERE MOVING TO THE SOUTHEAST AT 30 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
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
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.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, Jun 30, 7:26 AM CDT, 4 hours 11 minutes before
MOZ006-009-010-301320- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 720 AM CDT SAT JUN 30 1990 ...THUNDERSTORMS CONTINUE IN NORTH SECTIONS OF CENTRAL MISSOURI... AT 715 AM SHOWERS AND THUNDERSTORMS WERE IN THE NORTHERN PART OF CENTRAL MISSOURI...MOVING SOUTHEAST AT 20 MILES AN HOUR. THE LEADING EDGE WAS FROM 40 MILES NORTH OF SEDALIA TO 40 MILES NORTHEAST OF COLUMBIA. THE STORMS WILL PRODUCE VERY HEAVY RAIN...FREQUENT LIGAHTNING AND GUSTY WINDS AS THEY ENTER SALINE...HOWARD...BOONE AND AUDRAIN COUNTIES BY 8 AM. STAY INSIDE A BUILDING OR CAR IF LIGHTNING IS OCCURRING WHERE YOU ARE. GOEBEL
Special weather statement, Jun 30, 8:26 AM CDT, 3 hours 11 minutes before
MOZ006-009-010-011-014-301430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 825 AM CDT SAT JUN 30 1990 ...STRONG THUNDERSTORMS WERE MOVING OVER MID-MISSOURI THIS MORNING... AT 820 AM SHOWERS AND THUNDERSTORMS WERE OVER THE NORTHERN HALF OF CENTRAL MISSOURI...MOVING SOUTHEAST AT 30 MILES AN HOUR. THE STRONGEST STORMS WERE FROM 30 MILES NORTHEAST TO 30 MILES SOUTHWEST OF COLUMBIA. THESE STORMS WILL PRODUCE VERY HEAVY RAIN...GUSTY WINDS AND SMALL HAIL. THE GREATEST DANGER HOWEVER WILL BE FREQUENT CLOUD TO GROUND LIGHTNING. STAY INSIDE A BUILDING OR CAR IF LIGHTNING IS OCCURRING WHERE YOU ARE. THE COUNTIES OF BOONE...CALLAWAY...COLE...MONITEAU AND COOPER WILL EXPERIENCE INTENSE LIGHTNING AND HEAVY SHOWERS THROUGH 930 AM. GOEBEL
Special weather statement, Jun 30, 9:13 AM CDT, 2 hours 24 minutes before
MOZ011-012-017-018-301600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 915 AM CDT SAT JUN 30 1990 AT 900 AM...SCATTERED SHOWERS AND FEW THUNDERSTORMS WITH HEAVY RAIN WERE OCCURING IN CENTRAL AND PARTS OF NORTHEAST MISSOURI. THESE STORMS WERE MOVING TO THE SOUTHEAST 35 TO 40 MPH. WIDELY SCATTERED THUNDERSHOWERS ARE EXPECTED TO MOVE INTO ST LOUIS METRO AREA JUST AFTER 10 AM. MOST OF THE THUNDERSHOWERS WILL BE CONFINED IN MISSOURI AND IN THE SOUTH PORTION AF ST LOUIS METRO AREA. THEY WILL COME TO AN END EARLY THIS AFTERNOON. ACQUAVIVA
Special weather statement, Jun 30, 9:22 AM CDT, 2 hours 15 minutes before
MOZ006-009-010-011-014-301520- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 920 AM CDT SAT JUN 30 1990 ...STRONG THUNDERSTORMS WERE BETWEEN JEFFERSON CITY AND ROLLA... SHOWERS AND THUNDERSTORMS COVERED MOST OF CENTRAL MISSOURI THIS MORNING. AT 915 AM...THEY WERE NORTHEAST OF A LINE FROM SEDALIA TO FORT WOOD AND WERE MOVING SOUTHEAST AT 30 MILES AN HOUR. THE STRONGEST STORMS WERE SOUTH OF JEFFERSON CITY...MOVING INTO THE ROLLA AREA. VERY HEAVY RAIN AND FREQUENT LIGHTNING WILL OCCUR IN MILLER AND MARIES COUNTIES UNTIL JUST AFTER 10 AM. GOEBEL
Special weather statement, Jun 30, 10:06 AM CDT, 1 hour 31 minutes before
MOZ006-009-010-011-014-301600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 1005 AM CDT SAT JUN 30 1990 ...THUNDERSTORMS HAVE DIMINISHED IN CENTRAL MISSOURI... SHOWERS AND A FEW THUNDERSTORMS WERE OVER CENTRAL MISSOURI AT 10 AM. THE INTENSITY OF THE STORMS HAS DIMINISHED MARKEDLY IN THE PAST HOUR. FOR THE MOST PART...THERE WILL BE SCATTERED SHOWERS WITH JUST A FEW RUMBLES OF THUNDER IN THE AREA FOR THE REST OF THIS MORNING. GOSEBEL
Special weather statement, Jun 30, 11:23 AM CDT, 14 minutes before
MOZ003-007-301800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1125 AM CDT SAT JUN 30 1990 AT 1115 AM...SCATTERED THUNDERSTORMS WITH HEAVY RAIN...STRONG AND GUSTY WIND AND POSSIBLE HAIL WERE OCCURING IN THE EXTREME NORTHEAST MISSOURI IN CLARK AND SCOTLAND COUNTY...THEY WERE MOVING SOUTHEAST AT 30 MPH AND THEY ARE MOVING INTO LEWIS COUNTY. VERY HEAVY RAIN...STRONG THUNDERSTORMS WINDS AND POSSIBLE HAIL WILL ACCOMPANY THESE STORMS. THEY ARE FORECAST TO MOVE OUT OF MISSOURI ZONES EARLY THIS AFTERNOON. ACQUAVIVA
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 1:18 PM CDT | Flash Flood Warning | LSX | Clark | 3 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 1990Every severe thunderstorm warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.