Alert archive / Missouri / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 103, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Aug 30, 1994, 3:52 PM CDT for Phelps County, Missouri. It was in force for 53 min.
The area
The counties it named.
The facts
- Issued
- Aug 30, 1994, 3:52 PM CDT (20:52 UTC)
- Expired
- Aug 30, 1994, 4:45 PM CDT
- In force
- 53 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Phelps County, MO
The radar
The St Louis radar (KLSX), 133 km from the middle of the area, began a volume at 20:51 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.
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 8.9 hours before the alert went out and 287 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
- 1441 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 130 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 302055 RRA SVRSTL MOC161-302145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 352 PM CDT TUE AUG 30 1994 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...PHELPS COUNTY AT 350 PM CDT...NWS DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM MOVING INTO NORTHWEST PHELPS COUNTY...15 MILES WEST OF ROLLA. THE SEVERE THUNDERSTORM WILL BE MOVING THROUGH THE TOWNS OF NEWBERG AND YANCY MILLS BETWEEN 405 AND 425 PM CDT. PEOPLE IN THESE TOWNS SHOULD SEEK SHELTER IMMEDIATELY. THE SEVERE THUNDERSTORM WAS MOVING SOUTHEAST AT 20 MILES AN HOUR. 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. VA/RP
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, Aug 30, 2:37 PM CDT, 1 hour 15 minutes before
MOZ055>058-068>070-302040- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MISSOURI 237 PM CDT TUE AUG 30 1994 ...A LINE OF STRONG THUNDERSTORMS IS DEVELOPING... AT 235PM A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG GUSTY WINDS...AND POSSIBLY SOME SMALL HAIL WAS FROM 15 MILES SOUTHWEST OF JEFFERSON CITY TO 40 MILES SOUTH OF SEDALIA OVER THE WESTERN PORTION OF THE LAKE OF THE OZARKS. MOVEMENT WAS TO THE EAST AT 25MPH. RESIDENTS THROUGHOUT THE LAKE OF THE OZARKS AREA SHOULD BE ON THE LOOKOUT FOR THESE STORMS. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A STORM APPROACHES. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY. REAUGH
Special weather statement, Aug 30, 2:40 PM CDT, 1 hour 12 minutes before
MOZ055>058-068>070-302040- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MISSOURI 237 PM CDT TUE AUG 30 1994 ...A LINE OF STRONG THUNDERSTORMS IS DEVELOPING... AT 235PM A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG GUSTY WINDS...AND POSSIBLY SOME SMALL HAIL WAS FROM 15 MILES SOUTHWEST OF JEFFERSON CITY TO 40 MILES SOUTH OF SEDALIA OVER THE WESTERN PORTION OF THE LAKE OF THE OZARKS. MOVEMENT WAS TO THE EAST AT 25MPH. RESIDENTS THROUGHOUT THE LAKE OF THE OZARKS AREA SHOULD BE ON THE LOOKOUT FOR THESE STORMS. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A STORM APPROACHES. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY. REAUGH
Special weather statement, Aug 30, 3:01 PM CDT, 51 minutes before
MOZ061-063>065-085-ILZ101-302205- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 301 PM CDT TUE AUG 30 1994 ...STRONG THUNDERSTORMS WERE PRESENT OVER PARTS OF EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS... AT 300 PM...NWS DOPPLER RADAR SHOWED STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE MOVING THROUGH ST LOUIS CITY...MADISON AND ST CLAIR COUNTY IN ILLINOIS. THE STRONGEST STORMS WERE IN MADISON COUNTY ILLINOIS...JUST EAST OF GRANITE CITY. STORMS WERE MOVING TO THE EAST AT 30 MPH. ALSO THIS LINE OF STORMS EXTENDED SOUTHWESTWORD TO FRANKLIN COUNTY MISSOURI AND WILL BE MOVING SOUTHEASTWORD INTO SOUTHEAST MISSOURI AND SOUTHWEST ILLINOIS. THESE STORMS WILL PRODUCE LOCALLY HEAVY RAIN OF OF 1 TO 2 INCHES AND DEADLY LIGHTNING. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY WHEN STORMS APPROACH. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY. ACQUAVIVA
Special weather statement, Aug 30, 3:03 PM CDT, 49 minutes before
MOZ061-063>065-085-ILZ101-302205- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 301 PM CDT TUE AUG 30 1994 ...STRONG THUNDERSTORMS WERE PRESENT OVER PARTS OF EAST CENTRAL MISSOURI AND SOUTHWEST ILLINOIS... AT 300 PM...NWS DOPPLER RADAR SHOWED STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE MOVING THROUGH ST LOUIS CITY...MADISON AND ST CLAIR COUNTY IN ILLINOIS. THE STRONGEST STORMS WERE IN MADISON COUNTY ILLINOIS...JUST EAST OF GRANITE CITY. STORMS WERE MOVING TO THE EAST AT 30 MPH. ALSO THIS LINE OF STORMS EXTENDED SOUTHWESTWORD TO FRANKLIN COUNTY MISSOURI AND WILL BE MOVING SOUTHEASTWORD INTO SOUTHEAST MISSOURI AND SOUTHWEST ILLINOIS. THESE STORMS WILL PRODUCE LOCALLY HEAVY RAIN OF OF 1 TO 2 INCHES AND DEADLY LIGHTNING. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY WHEN STORMS APPROACH. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY.J ACQUAVIVA
Special weather statement, Aug 30, 3:28 PM CDT, 24 minutes before
MOZ001>115-KSZ102>105-ILZ095>102-302330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 328 PM CDT TUE AUG 30 1994 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF SOUTHERN MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR MOST OF THE SOUTHERN HALF OF MISSOURI UNTIL 9PM. A STRONG COLD FRONT WILL MOVE INTO AN UNSTABLE AIRMASS DURING THE EVENING...POSSIBLY TRIGGERING SEVERE THUNDERSTORMS. IF YOU PLAN TO BE OUTDOORS THIS EVENING...CHECK THE LATEST WEATHER INFORMATION AND REMAIN ALERT FOR APPROACHING STORMS. AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY. TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST WEATHER INFORMATION. MORSE
Special weather statement, Aug 30, 3:30 PM CDT, 22 minutes before
MOZ001>115-KSZ102>105-ILZ095>102-302330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 328 PM CDT TUE AUG 30 1994 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF SOUTHERN MISSOURI... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR MOST OF THE SOUTHERN HALF OF MISSOURI UNTIL 9PM. A STRONG COLD FRONT WILL MOVE INTO AN UNSTABLE AIRMASS DURING THE EVENING...POSSIBLY TRIGGERING SEVERE THUNDERSTORMS. IF YOU PLAN TO BE OUTDOORS THIS EVENING...CHECK THE LATEST WEATHER INFORMATION AND REMAIN ALERT FOR APPROACHING STORMS. AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY. TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST WEATHER INFORMATION. MORSE
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 4:13 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Dent | 47 min |
| Aug 30, 5:52 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Washington | 43 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1994Every severe thunderstorm warning in 1994
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; radar from the NEXRAD Level II archive.