Alert archive / Missouri / Flash Flood Warnings in 2011
Flash Flood Warning 38, NWS Springfield, MO
NWS Springfield, MO issued this flash flood warning at May 20, 2011, 9:03 AM CDT for 6 counties in Missouri. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 20, 2011, 9:03 AM CDT (14:03 UTC)
- Expired
- May 20, 2011, 1:04 PM CDT
- In force
- 4 hr
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Barton County, MO, Cedar County, MO, Dade County, MO, Jasper County, MO, Lawrence County, MO, Vernon County, MO
The radar
The Springfield radar (KSGF), 78 km from the middle of the area, began a volume at 14:04 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 (KSGF), launched 12:00Z, 2.1 hours before the alert went out and 90 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
- 537 J/kg
- Mixed-layer CIN
- -280 J/kg
- Mixed-layer LCL
- 940 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 222 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
230
WGUS53 KSGF 201403
FFWSGF
MOC011-039-057-097-109-217-202000-
/O.NEW.KSGF.FF.W.0038.110520T1403Z-110520T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
903 AM CDT FRI MAY 20 2011
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN BARTON COUNTY IN SOUTHWEST MISSOURI...
EASTERN JASPER COUNTY IN SOUTHWEST MISSOURI...
EASTERN VERNON COUNTY IN WEST CENTRAL MISSOURI...
NORTHWESTERN LAWRENCE COUNTY IN SOUTHWEST MISSOURI...
SOUTHWESTERN CEDAR COUNTY IN SOUTHWEST MISSOURI...
WESTERN DADE COUNTY IN SOUTHWEST MISSOURI...
* UNTIL 300 PM CDT.
* AT 852 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
RAINFALL RATES IN EXCESS OF TWO INCHES PER HOUR WERE OBSERVED. AN
ADDITIONAL ONE TO TWO INCHES OF RAIN WILL BE POSSIBLE THROUGH
NOON.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. CREEKS...STREAMS AND LOW WATER CROSSINGS WILL BE ESPECIALLY
SUSCEPTIBLE TO THE DANGERS OF FLASH FLOODING.
THIS WARNING INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING LOW WATER
CROSSINGS...
HIGHWAY 37 AT THE SPRING RIVER SOUTHWEST OF AVILLA...
ROUTE F...3 MILES NORTHEAST OF REEDS...
HIGHWAY 126 AT THE SPRING RIVER 3 MILES NORTH OF JASPER...
ROUTE C AT HORSE CREEK EAST OF MILFORD...
HIGHWAY 97 AT KELLER BRANCH 8 MILES NORTH OF LOCKWOOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 3800 9409 3786 9406 3767 9392 3720 9376
3711 9430 3788 9444
$$
TERRY4 follow-up statements
565
WGUS73 KSGF 201446
FFSSGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
946 AM CDT FRI MAY 20 2011
MOC011-039-057-097-109-217-202000-
/O.CON.KSGF.FF.W.0038.000000T0000Z-110520T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARTON MO-CEDAR MO-JASPER MO-VERNON MO-DADE MO-LAWRENCE MO-
946 AM CDT FRI MAY 20 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
EASTERN BARTON...EASTERN JASPER...EASTERN VERNON...NORTHWESTERN
LAWRENCE...SOUTHWESTERN CEDAR AND WESTERN DADE COUNTIES...
AT 930 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH HEAVY RAINFALL HAVE ALREADY PRODUCED OVER ONE AND
A HALF INCHES OF RAIN FROM LAMAR TO SYLVANIA TO MEINERT. ANOTHER ONE
TO TWO INCHES OF RAIN WILL BE POSSIBLE AS ADDITIONAL STORMS MOVE
OVER THE REGION THROUGH EARLY AFTERNOON.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. CREEKS...STREAMS AND LOW WATER CROSSINGS WILL BE ESPECIALLY
SUSCEPTIBLE TO THE DANGERS OF FLASH FLOODING.
THIS WARNING INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING LOW WATER
CROSSINGS...
HIGHWAY 37 AT THE SPRING RIVER SOUTHWEST OF AVILLA...
ROUTE F...3 MILES NORTHEAST OF REEDS...
HIGHWAY 126 AT THE SPRING RIVER 3 MILES NORTH OF JASPER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT OR IN A VEHICLE.
&&
LAT...LON 3800 9409 3786 9406 3767 9392 3720 9376
3711 9430 3788 9444
$$
TERRY769
WGUS73 KSGF 201725
FFSSGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1225 PM CDT FRI MAY 20 2011
MOC011-039-057-097-109-217-202000-
/O.CON.KSGF.FF.W.0038.000000T0000Z-110520T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARTON MO-CEDAR MO-JASPER MO-VERNON MO-DADE MO-LAWRENCE MO-
1225 PM CDT FRI MAY 20 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
EASTERN BARTON...EASTERN JASPER...EASTERN VERNON...NORTHWESTERN
LAWRENCE...SOUTHWESTERN CEDAR AND WESTERN DADE COUNTIES...
AT 1220 PM CDT...DOPPLER RADAR ESTIMATES THAT TWO TO TWO AND ONE
HALF INCHES OF RAIN HAS FALLEN IN THE WARNED AREA SINCE 0800 CST.
RAINFALL INTENSITIES HAVE WEAKENED RECENTLY AND THE WARNING MAY BE
CANCELLED EARLY IF THIS TREND CONTINUES.
LAT...LON 3800 9409 3786 9406 3767 9392 3720 9376
3711 9430 3788 9444
$$
TERRY078
WGUS73 KSGF 201733 CCA
FFSSGF
FLASH FLOOD STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1225 PM CDT FRI MAY 20 2011
MOC011-039-057-097-109-217-202000-
/O.COR.KSGF.FF.W.0038.000000T0000Z-110520T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARTON MO-CEDAR MO-JASPER MO-VERNON MO-DADE MO-LAWRENCE MO-
1225 PM CDT FRI MAY 20 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
EASTERN BARTON...EASTERN JASPER...EASTERN VERNON...NORTHWESTERN
LAWRENCE...SOUTHWESTERN CEDAR AND WESTERN DADE COUNTIES...
AT 1220 PM CDT...DOPPLER RADAR ESTIMATES THAT TWO TO TWO AND ONE
HALF INCHES OF RAIN HAS FALLEN IN THE WARNED AREA SINCE 800 AM.
RAINFALL INTENSITIES HAVE WEAKENED RECENTLY AND THE WARNING MAY BE
CANCELLED EARLY IF THIS TREND CONTINUES.
LAT...LON 3800 9409 3786 9406 3767 9392 3720 9376
3711 9430 3788 9444
$$
TERRY900
WGUS73 KSGF 201804
FFSSGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
104 PM CDT FRI MAY 20 2011
MOC011-039-057-097-109-217-201812-
/O.CAN.KSGF.FF.W.0038.000000T0000Z-110520T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARTON MO-CEDAR MO-JASPER MO-VERNON MO-DADE MO-LAWRENCE MO-
104 PM CDT FRI MAY 20 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EASTERN BARTON...
EASTERN JASPER...EASTERN VERNON...NORTHWESTERN LAWRENCE...
SOUTHWESTERN CEDAR AND WESTERN DADE COUNTIES...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3800 9409 3786 9406 3767 9392 3720 9376
3711 9430 3788 9444
$$
TERRYThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:54 PM CDT | Areal Flood Warning | SGF | Camden, Maries, Miller, Morgan, Phelps, Pulaski | 6 hr |
| May 20, 7:41 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Jasper | 34 min |
| May 20, 8:13 AM CDT | Special Weather Statement | SGF | Barton, Jasper | 47 min |
| May 20, 8:19 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Vernon | 41 min |
| May 20, 8:22 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Jasper | 38 min |
| May 20, 8:33 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Cedar, Dade, Jasper, Lawrence | 42 min |
| May 20, 8:38 AM CDT | Flash Flood Warning | SGF | Barton, Jasper, Newton | 4 hr |
| May 20, 9:20 AM CDT | River Flood Warning | SGF | Vernon | 42 hr |
| May 20, 9:20 AM CDT | River Flood Warning | SGF | Vernon | 13 hr |
| May 20, 9:32 AM CDT | Special Weather Statement | SGF | St. Clair | 43 min |
| May 20, 10:47 AM CDT | Special Weather Statement | SGF | Lawrence | 28 min |
| May 20, 10:51 AM CDT | Flash Flood Warning | SGF | Cedar, Hickory, Polk, St. Clair | 2 hr |
| May 20, 10:53 AM CDT | Special Weather Statement | SGF | Benton, Hickory | 52 min |
| May 20, 11:05 AM CDT | Flash Flood Watch | SGF | Barry, Barton, Benton, Camden, Cedar, Christian and 28 more | 40 hr |
| May 20, 1:48 PM CDT | Special Weather Statement | SGF | Christian, Taney | 42 min |
| May 20, 2:20 PM CDT | Special Weather Statement | SGF | Oregon | 40 min |
| May 20, 2:41 PM CDT | Areal Flood Warning | SGF | Christian, Stone, Taney | 6 hr |
| May 20, 2:54 PM CDT | Areal Flood Warning | SGF | Camden, Dallas, Miller, Morgan | 6 hr |
| May 20, 2:56 PM CDT | Special Weather Statement | SGF | Oregon | 49 min |
| May 20, 3:05 PM CDT | Areal Flood Warning | SGF | Benton, Cedar, Dade, Hickory, Polk, St. Clair | 6 hr |
| May 20, 3:41 PM CDT | River Flood Warning | SGF | Cedar | 41 hr |
| May 20, 3:41 PM CDT | River Flood Warning | SGF | Bates, Vernon | 19 hr |
Nearby
Flash Flood Warnings in Missouri, 2011Every flash flood warning in 2011
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.