Alert archive / Missouri / Flash Flood Warnings in 2011
Flash Flood Warning 39, NWS Springfield, MO
NWS Springfield, MO issued this flash flood warning at May 20, 2011, 10:51 AM CDT for 4 counties in Missouri. It was in force for 2 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, 10:51 AM CDT (15:51 UTC)
- Expired
- May 20, 2011, 1:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cedar County, MO, Hickory County, MO, Polk County, MO, St. Clair County, MO
The radar
The Springfield radar (KSGF), 81 km from the middle of the area, began a volume at 15:50 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, 3.9 hours before the alert went out and 115 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.
543
WGUS53 KSGF 201551
FFWSGF
MOC039-085-167-185-202000-
/O.NEW.KSGF.FF.W.0039.110520T1551Z-110520T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1051 AM CDT FRI MAY 20 2011
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CEDAR COUNTY IN SOUTHWEST MISSOURI...
NORTHWESTERN POLK COUNTY IN SOUTHWEST MISSOURI...
ST. CLAIR COUNTY IN WEST CENTRAL MISSOURI...
WESTERN HICKORY COUNTY IN CENTRAL MISSOURI...
* UNTIL 300 PM CDT.
* AT 1041 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
DOPPLER RADAR RAINFALL ESTIMATES INDICATE THAT NEARLY TWO INCHES
OF RAIN HAS FALLEN OVER THE WARNED AREA SINCE 9 AM...WITH AN
ADDITIONAL ONE TO TWO INCHES POSSIBLE 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...
ROUTE M AT BEAR CREEK EAST OF STOCKTON...
ROUTE J AT BRUSH CREEK 6 MILES WEST OF COLLINS...
ROUTE K AT CEDAR CREEK SOUTHWEST OF CAPLINGER MILLS.
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 3809 9350 3808 9350 3807 9348 3790 9337
3757 9385 3758 9391 3785 9408 3788 9406
3821 9357
$$
TERRY3 follow-up statements
543
WGUS73 KSGF 201724
FFSSGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1224 PM CDT FRI MAY 20 2011
MOC039-085-167-185-202000-
/O.CON.KSGF.FF.W.0039.000000T0000Z-110520T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CEDAR MO-HICKORY MO-POLK MO-ST. CLAIR MO-
1224 PM CDT FRI MAY 20 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
CEDAR...NORTHWESTERN POLK...ST. CLAIR AND WESTERN HICKORY COUNTIES...
AT 1220 PM CDT...DOPPLER RADAR ESTIMATES THAT ONE AND ONE HALF TO
TWO INCHES OF RAIN HAS FALLEN IN THE WARNED AREA SINCE 0800 CST.
RAINFALL INTENSITIES HAVE WEAKENED RECENTLY AND THE WARNING MAY BE
CANCELLED EARLY IF THIS TREND CONTINUES.
LAT...LON 3809 9350 3808 9350 3807 9348 3790 9337
3757 9385 3758 9391 3785 9408 3788 9406
3821 9357
$$
TERRY323
WGUS73 KSGF 201733 CCA
FFSSGF
FLASH FLOOD STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1224 PM CDT FRI MAY 20 2011
MOC039-085-167-185-202000-
/O.COR.KSGF.FF.W.0039.000000T0000Z-110520T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CEDAR MO-HICKORY MO-POLK MO-ST. CLAIR MO-
1224 PM CDT FRI MAY 20 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
CEDAR...NORTHWESTERN POLK...ST. CLAIR AND WESTERN HICKORY COUNTIES...
AT 1220 PM CDT...DOPPLER RADAR ESTIMATES THAT ONE AND ONE HALF TO
TWO 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 3809 9350 3808 9350 3807 9348 3790 9337
3757 9385 3758 9391 3785 9408 3788 9406
3821 9357
$$
TERRY118
WGUS73 KSGF 201800
FFSSGF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
100 PM CDT FRI MAY 20 2011
MOC039-085-167-185-201811-
/O.CAN.KSGF.FF.W.0039.000000T0000Z-110520T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CEDAR MO-HICKORY MO-POLK MO-ST. CLAIR MO-
100 PM CDT FRI MAY 20 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CEDAR...
NORTHWESTERN POLK...ST. CLAIR AND WESTERN HICKORY COUNTIES...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3809 9350 3808 9350 3807 9348 3790 9337
3757 9385 3758 9391 3785 9408 3788 9406
3821 9357
$$
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, 9:03 AM CDT | Flash Flood Warning | SGF | Barton, Cedar, Dade, Jasper, Lawrence, Vernon | 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, 10:53 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.