Alert archive / Missouri / Flash Flood Warnings in 1991
Flash Flood Warning 3, NWS Springfield, MO
NWS Springfield, MO issued this flash flood warning at May 17, 1991, 11:00 PM CDT for Shannon County, Missouri. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- May 17, 1991, 11:00 PM CDT (04:00 UTC)
- Expired
- May 18, 1991, 1:00 AM CDT
- In force
- 2 hr
- Issued by
- NWS Springfield, MO
- Area
- Whole counties
County Shannon County, MO
The nearest sounding before it
Springfield, MO (KUMN), launched 00:00Z, 4.0 hours before the alert went out and 215 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
- 2223 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 898 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 45 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 KSGF 180408 RRA
FFWSGF
MOC203-180600-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1100 PM CDT FRI MAY 17 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 100 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE SOUTH CENTRAL PART OF MISSOURI
SHANNON DENT
AT 1100 PM CDT RADAR INDICATED AN AREA OF MODERATE TO HEAVY RAIN
OVER DENT AND SHANNON COUNTIES IN SOUTH CENTRAL MISSOURI. THE AREA
OF RAIN HAD REMAINED OVER THE WARNED AREA SINCE EARLY FRIDAY EVENING.
THE FLASH FLOOD WARNING FOR NORTHEAST TEXAS COUNTY IS NO LONGER
IN EFFECT.
A FLASH FLOOD WARNING MEANS FLOODING IS OCCURRING OR IS IMMINENT.
MOST FLASH FLOOD DEATHS 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.
TO ESCAPE RISING WATER MOVE TO HIGHER GROUND.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOOD WATERS. IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
LEEWhat 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, May 17, 5:26 PM CDT, 5 hours 34 minutes before
MOZ015-016-019-020-021-172330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 520 PM CDT FRI MAY 17 1991 ...WIDELY SCATTERED THUNDERSTORMS ARE DEVELOPING AROUND SOUTH CENTRAL AND CENTRAL MISSOURI... WEATHER SERVICE RADAR AT 515 PM SHOWED AN INTENSE THUNDERSTORM 20 MILES NORTHEAST OF BRANSON OVER BEAVER AND BRUSHY CREEK. THE THUNDERSTORM WAS MOVING NORTHEAST 20 MPH. THIS STORM WILL MOVE INTO THE NORTHEAST CORNER OF TANEY COUNTY BY 545 PM. ANOTHER STRONG THUNDERSTORM HAD DEVELOPED JUST SOUTHEAST OF WEST PLAINS IN HOWELL COUNTY. THESE STORMS WILL PRODUCE VERY HEAVY RAIN...STRONG GUSTY WIND...AND SMALL HAIL AS THEY MOVE TO THE NORTHEAST. PEOPLE SHOULD BE ALERT FOR LATER WEATHER BULLETINS CONCERNING THE STORMS. IF THESE STORMS CONTINUE TO DEVELOP THEY WOULD LIKELY PRODUCE LARGE HAIL AND A WARNING WOULD BE NECESSARY. LEE
Special weather statement, May 17, 7:10 PM CDT, 3 hours 50 minutes before
MOZ015-016-019-020-021-180130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 705 PM CDT FRI MAY 17 1991 ...A CLUSTER OF THUNDERSTORMS PRODUCING HAIL AND HEAVY RAIN OVER SOUTH CENTRAL AND SOUTHEAST MISSOURI... RADAR AT 700 PM CDT INDICATED A CLUSTER OF STRONG THUNDERSTORMS 30 MILES SOUTH OF ROLLA BETWEEN LICKING AND SALEM MISSOURI. THE THUNDERSTORMS WERE MOVING SLOWLY NORTHEAST IF ANY MOVEMENT AT ALL. THERE HAVE BEEN SEVERAL REPORTS OF HAIL FROM THESE STORMS AS WELL AS HEAVY DOWNPOURS OF RAIN. PEOPLE AROUND THE MONTAUK STATE PARK...THE CURRENT RIVER...PIDGEON AND GLADDEN CREEK SHOULD USE EXTREME CAUTION WHILE THESE STORMS ARE IN THE AREA. FLOODING OF SMALL STREAMS...ALONG WITH HAIL MAY BE EXPECTED UNTIL THESE STORMS DISSIPATE OR MOVE NORTHEAST. IF SEVERE WEATHER APPROACHES MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. LEE
The office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 7:20 PM CDT | Flash Flood Warning | SGF | Shannon, Texas | 4 hr |
Nearby
Flash Flood Warnings in Missouri, 1991Every flash flood 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; the sounding from the Mesonet's radiosonde archive.