Alert archive / Missouri / Flash Flood Warnings in 1994
Flash Flood Warning 23, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Apr 28, 1994, 5:12 AM CDT for Crawford County, Phelps County, Missouri. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Apr 28, 1994, 5:12 AM CDT (10:12 UTC)
- Expired
- Apr 28, 1994, 9:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Crawford County, MO, Phelps County, MO
The radar
The St Louis radar (KLSX), 114 km from the middle of the area, began a volume at 10:14 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
Springfield, MO (KUMN), launched 00:00Z, 10.2 hours before the alert went out and 229 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
- 852 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 493 m²/s²
- 0-3 km storm-relative helicity
- 792 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 281015 FFWSTL MOC055-161-281415- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 512 AM CDT THU APR 28 1994 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 915 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSOURI ...CRAWFORD COUNTY...PHELPS COUNTY NORTHERN SECTIONS OF PHELPS AND CRAWFORD COUNTIES HAVE BEEN RECEIVING HEAVY RAIN SINCE 4 AM. AT 510 AM...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THUNDERSTORMS WITH HEAVY RAIN WERE SCATTERED FROM NEAR BOURBON...IN NORTHERN CRAWFORD COUNTY...THROUGH THE ROLLA AREA...TO NEAR FORT LEONARD WOOD. WITH THESE STORMS PUSHING EAST-NORTHEAST...HEAVY RAINS WILL CONTINUE TO PASS OVER THE SAME AREA...PRODUCING A THREAT OF FLASH FLOODING. RAINFALL ESTIMATES FROM RADAR SUGGEST THAT 1 TO 2 INCHES MAY HAVE ALREADY FALLEN OVER NORTHERN PHELPS AND NORTHERN CRAWFORD COUNTIES...AND MORE IS O\N THE WAY. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TRUETT/FERRY
What forecasters said that day
The local office's own words before this flash flood 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, Apr 28, 12:03 AM CDT, 5 hours 9 minutes before
MOZ053>057-066>069-077>081-088>096-101>105-280705- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1201 AM CDT THU APR 28 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHWEST MISSOURI UNTIL 5 AM... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR SOUTHWEST MISSOURI UNTIL 5 AM THIS MORNING. SOME OF THE CITIES INCLUDED IN THE WATCH ARE CASSVILLE..CLINTON..JOPLIN... NEVADA...AND STOCKTON. THE LATEST SATELLITE AND UPPER LEVEL WIND DATA SUGGESTS THAT THE THUNDERSTORMS NOW OCCURRING OVER WESTERN MISSOURI...AS WELL AS OVER SOUTHEAST KANSAS AND NORTHEAST OKLAHOMA...WILL BE INCREASING IN INTENSITY DURING THE NEXT FEW HOURS. IN ADDITION TO THE THREAT OF LARGE HAIL AND DAMAGING WINDS...REMEMBER THAT SEVERE THUNDERSTORMS OFTEN PRODUCE HEAVY RAIN THAT CAN LEAD TO FLASH FLOODING. BECAUSE OF THIS THREAT...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR SOUTHWEST MISSOURI FOR THE REMAINDER OF TONIG^HT...AND INTO THURSDAY MORNING. PEOPLE THROUGHOUT SOUTHWEST MISSOURI ARE URGED TO FOLLOW WEATHER DEVELOPMENTS THROUGHOUT THE NIGHT BY MONITORING NOAA WEATHER RADIO....OR LOCAL RADIO AND TV STATIONS. TRUETT
Special weather statement, Apr 28, 12:49 AM CDT, 4 hours 23 minutes before
MOZ024-025-032-033-039>042-045>051-055>059-068>070-280645 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 1245 AM CDT THU APR 28 1994 ...STRONG THUNDERSTORMS WERE MOVING THROUGH THE SOUTH HALF OF CENTRAL MISSOURI... AT 1240 AM STRONG THUNDERSTORMS WERE SCATTERED FROM THE NORTH END OF THE LAKE OF THE OZARKS TO JEFFERSON CITY AND THEN EAST TO HERMANN IN GASCONADE COUNTY AND BELLE IN MARIES COUNTY. THE STRONGEST STORMS WERE LOCATED 35 MILES EAST AND 25 MILES SOUTHEAST OF JEFFERSON CITY. THESE STRONGEST STORMS MAY PRODUCE SMALL HAIL AND STRONG GUSTY WINDS. ALL OF THE THUNDERSTORMS WILL PRODUCE BRIEF HEAVY RAIN WHICH MAY CAUSE FLOODING OF LOW LYING AREAS IN TOWNS AND ON COUNTY ROADS. THE THUNDERSTORMS WERE MOVING EAST AT 30 MPH. IF YOU LIVE IN FLOOD PRONE AREAS BE ALERT TO POSSIBLE FLOODING. IF YOU ARE DRIVING...SLOW DOWN WHEN CROSSING LOW BRIDGES OR LOW SPOTS IN TOWNS. KENNEDY
Special weather statement, Apr 28, 1:00 AM CDT, 4 hours 12 minutes before
MOZ060>065-ILZ100>102-280800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1258 AM CDT THU APR 28 1994 ...THUNDERSTORMS CONTINUE TO FORM OVER THE BI-STATE AREA... AT 1255 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS ACROSS EAST CENTRAL MISSOURI. THE STORMS EXTEND FROM 20 MILES WEST OF ST. CHARLES TO 15 MILES WEST OF WASHINGTON. STORMS WERE MOVING TO THE EAST TO NORTHEAST AT 35 TO 40 MPH. THESE STORMS WILL BRING SMALL HAIL AND ISOLATED AREAS OF HEAVY RAIN ACROSS THE MISSOURI COUNTIES OF WARREN...FRANKLIN...JEFFERSON...ST. CHARLES...ST. LOUIS AND ST. LOUIS CITY...AND THE ILLINOIS COUNTIES OF MADISON...ST. CLAIR...AND MONROE. THIS ACTIVITY WILL OCCUR BETWEEN ONE AND THREE THIS MORNING. REMEMBER...LIGHTNING MAY STRIKE SOME MILES AWAY FROM THE PARENT CLOUD. PRECAUTIONS SHOULD BE TAKEN EVEN THOUGH THE THUNDERSTORM IS NOT DIRECTLY OVERHEAD. ST/DM
Special weather statement, Apr 28, 4:49 AM CDT, 23 minutes before
MOZ045>051-055>059-068>070-281050- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MISSOURI 447 AM CDT THU APR 28 1994 ...SEVERE THUNDERSTORM WATCH FOR THE SOUTHERN HALF OF CENTRAL MISSOURI UNTIL 800 AM... AT 435 AM VERY STRONG THUNDERSTORMS WERE SCATTERED IN A 10 MILE WIDE AREA FROM NEAR ROLLA TO 50 MILES SOUTH OF SEDALIA NEAR HERMITAGE. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 30 MILES AN HOUR. A SMALL TREEWAS BLOWN OVER BY ONE OF THESE THUNDERSTORMS NEAR ELKTON IN SOUTHERN HICKORY COUNTY...AND LARGE HAIL WAS REPORTED WITH A THUNDERSTORM EARLIER IN DALLAS COUNTY. THE THUNDERSTORMS HAD DECREASED SOMEWHAT IN INTENSITY BUT WERE STILL CAPABLE OF PRODUCING GUSTY WINDS AND HAIL. IF YOU LIVE IN LINN CREEK...TUSCUMBIA OR VIENNA BE PREPARED FOR THESE THUNDERSTORMS BETWEEN 440 AM AND 515 AM THIS MORNING IF SEVERE THUNDERSTORMS THREATEN YOUR AREA GET TO A STRONG BUILDING AWAY FROM WINDOWS. PASS ALONG AND SEVERE WEATHER INFORMATION TO THE NEAREST LAW ENFORCEMENT AGENCY SO IT CAN BE RELAYED TO THE NATIONAL WEATHER SERVICE. LA GREE
Special weather statement, Apr 28, 5:03 AM CDT, 9 minutes before
MOZ053>057-066>069-077>081-088>096-101>105-281100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 502 AM CDT THU APR 28 1994 ...SEVERE THUNDERSTORM WATCH HAS EXPIRED ACROSS EXTREME PORTIONS OF WEST CENTRAL AND SOUTHWEST MISSOURI... ...FLASH FLOOD WATCH CONTINUES FOR CENTRAL AND SOUTHERN MISSOURI THIS MORNING... SEVERE THUNDERSTORM WATCH #162 FOR THE FOLLOWING COUNTIES OF BATES... HENRY...ST CLAIR...VERNON...BARTON...DADE...JASPER...LAWRENCE... NEWTON...MCDONALD...AND BARRY HAS EXPIRED AND WILL NOT BE REISSUED. HOWEVER...A LARGE AREA OF SHOWERS AND THUNDERSTORMS COVERED MUCH OF WEST CENTRAL AND SOUTHWEST MISSOURI AT 500 AM CDT. THESE STORMS WILL HAVE THE POTENTIAL OF PRODUCING SMALL HAIL AND LOCALLY HEAVY RAINFALL. THUS...FLASH FLOOD WATCHES REMAIN IN EFFECT FOR MUCH OF CENTRAL AND SOUTHERN MISSOURI THIS MORNING. PEOPLE IN THE FLASH FLOOD WATCH AREA SHOULD MONITOR FLOOD CONDITIONS...AND BE PREPARED TO MOVJE TO HIGHER GROUND...SHOULD FLOODWATERS THREATEN. METZE
Special weather statement, Apr 28, 5:12 AM CDT, 0 minutes before
MOZ001>115-KSZ102>105-ILZ095>102-271800- MISSOURI SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 512 AM CDT THU APR 28 1994 THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS TODAY AND THIS EVENING FOR PARTS OF EASTERN MISSOURI. THIS RISK IS GENERALLY EAST OF A QUINCY...ROLLA...TO CAPE GIRARDEAU LINE...AND INCLUDES THE ENTIRE ST LOUIS METRO AREA. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY OVER THE REMAINDER OF MISSOURI...EZXCEPT THE EXTREME NORTHWEST CORNER. STORM SPOTTER GROUPS AND EMERGENCY MANAGERS ARE URGED TO KEEP ADVISED OF THE LATEST FORECAST AND WATCH INFORMATION. SKYWARN SPOTTER ACTION MAY BE NEEDED TODAY AND THIS EVENING. SHEA
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 7:19 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Madison | 56 min |
| Apr 28, 1:23 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles, Saint Louis | 47 min |
| Apr 28, 1:58 AM CDT | Flash Flood Warning | LSX | Franklin | 4 hr |
| Apr 28, 2:21 AM CDT | Flash Flood Warning | LSX | Saint Charles, Saint Louis | 4 hr |
| Apr 28, 2:21 AM CDT | Flash Flood Warning | LSX | City of Saint Louis | 4 hr |
| Apr 28, 3:30 AM CDT | Flash Flood Warning | LSX | Franklin | 5 hr |
| Apr 28, 5:55 AM CDT | Flash Flood Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 4 hr |
| Apr 28, 5:55 AM CDT | Flash Flood Warning | LSX | Franklin | 4 hr |
| Apr 28, 6:35 AM CDT | Flash Flood Warning | LSX | Jefferson | 4 hr |
| Apr 28, 8:39 AM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Francois, Washington | 35 min |
| Apr 28, 11:25 AM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 47 min |
| Apr 28, 12:17 PM CDT | Tornado Warning | LSX | Sainte Genevieve | 43 min |
| Apr 28, 12:17 PM CDT | Tornado Warning | LSX | Saint Francois | 32 min |
Nearby
Flash Flood Warnings in Missouri, 1994Every flash flood 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.