Alert archive / Missouri / Flash Flood Warnings in 2008
Flash Flood Warning 20, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Apr 3, 2008, 10:25 PM CDT for Iron County, Madison County, Reynolds County, 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
- Apr 3, 2008, 10:25 PM CDT (03:25 UTC)
- Expired
- Apr 4, 2008, 2:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Iron County, MO, Madison County, MO, Reynolds County, MO
The radar
The St Louis radar (KLSX), 149 km from the middle of the area, began a volume at 03:26 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 00:00Z, 3.4 hours before the alert went out and 262 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
- 525 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 633 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 224 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KLSX 040328
FFWLSX
MOC093-123-179-040730-
/O.NEW.KLSX.FF.W.0020.080404T0325Z-080404T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1025 PM CDT THU APR 3 2008
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
IRON COUNTY IN SOUTHEAST MISSOURI
MADISON COUNTY IN SOUTHEAST MISSOURI
REYNOLDS COUNTY IN SOUTHEAST MISSOURI
* UNTIL 230 AM CDT
* AT 1021 PM CDT...ANOTHER AREA OF THUNDERSTORMS PRODUCING VERY
HEAVY RAIN HAS MOVED BACK INTO THE WARNED AREA. THE
THUNDERSTORMS WILL PRODUCE BRIEF...YET INTENSE RAINFALL RATES
AROUND AN INCH AN HOUR OVER GROUND THAT IS SATURATED...CAUSING
IMMEDIATE RUN OFF THAT WILL LIKELY PRODUCE FLASH FLOODING.
* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
AFFECTING VIBURNUM...SACO...ROSELLE...REYNOLDS...PILOT KNOB...
OATES...MARQUAND...JUNCTION CITY...IRONTON...GLOVER...
FREDERICKTOWN...BUNKER...BIXBY...BELLEVIEW...ARCADIA AND ANNAPOLIS.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
LAT...LON 3705 9097 3710 9103 3716 9105 3716 9110
3728 9118 3749 9123 3750 9131 3755 9134
3758 9133 3758 9117 3773 9115 3774 9067
3763 9067 3764 9014 3731 9015 3731 9054
3727 9055 3727 9073 3704 9079
TIME...MOT...LOC 0325Z 180DEG 0KT 3735 9099
$$
BYRD1 follow-up statement
000
WGUS73 KLSX 040732
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
225 AM CDT FRI APR 4 2008
MOC093-123-179-040735-
/O.EXP.KLSX.FF.W.0020.000000T0000Z-080404T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
REYNOLDS MO-MADISON MO-IRON MO-
225 AM CDT FRI APR 4 2008
...THE FLASH FLOOD WARNING WILL EXPIRE AT 230 AM CDT FOR IRON...
MADISON AND REYNOLDS COUNTIES...
THE SHOWERS AND THUNDERSTORMS WHICH PRODUCED THE HEAVY RAINS EARLIER
HAVE MOVED OUT OF THE WARNED AREA. A CHECK WITH AREA LAW ENFORCEMENT
INDICATES THAT FLOODING IS NO LONGER A PROBLEM IN THE AREA.
MOTORISTS SHOULD USE CAUTION WHEN APPROACHING AREAS THAT EXPERIENCED
HIGH WATER LEVELS...AS THE FAST FLOWING WATER MAY HAVE DAMAGED
ROADWAYS AND BRIDGES. ALTHOUGH THE HIGH WATER IS RECEEDING
MOTORISTS SHOULD STILL TAKE IT SLOW AND BE EXTRA CAUTIOUS
APPROACHING ANY LOW WATER CROSSINGS OR LOW LYING AREAS NEAR STREAMS
AND CREEKS.
LAT...LON 3705 9097 3710 9103 3716 9105 3716 9110
3728 9118 3749 9123 3750 9131 3755 9134
3758 9133 3758 9117 3773 9115 3774 9067
3763 9067 3764 9014 3731 9015 3731 9054
3727 9055 3727 9073 3704 9079
TIME...MOT...LOC 0725Z 180DEG 0KT 3735 9099
$$
GKSNearby
Flash Flood Warnings in Missouri, 2008Every flash flood warning in 2008
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.