Alert archive / Missouri / Flash Flood Warnings in 2011
Flash Flood Warning 2, NWS Quad Cities, IA
NWS Quad Cities, IA issued this flash flood warning at May 25, 2011, 4:33 PM CDT for Clark County, Scotland County, Missouri. It was in force for 3 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 25, 2011, 4:33 PM CDT (21:33 UTC)
- Expired
- May 25, 2011, 7:19 PM CDT
- In force
- 3 hr
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clark County, MO, Scotland County, MO
The radar
The Quad Cities radar (KDVN), 169 km from the middle of the area, began a volume at 21:33 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
Lincoln, IL (KILX), launched 12:00Z, 9.6 hours before the alert went out and 285 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
- 1832 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 561 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 253 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 10.1
The text
As transmitted, in the capitals the NWS used until 2016.
050 WGUS53 KDVN 252133 FFWDVN MOC045-199-260330- /O.NEW.KDVN.FF.W.0002.110525T2133Z-110526T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 433 PM CDT WED MAY 25 2011 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... WESTERN CLARK COUNTY IN NORTHEAST MISSOURI... NORTHEASTERN SCOTLAND COUNTY IN NORTHEAST MISSOURI... * UNTIL 1030 PM CDT * AT 424 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING FROM A THUNDERSTORM IN NORTHEAST SCOTLAND COUNTY. WATER WAS REPORTED OVER SOME SECONDARY ROADS. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PROSPECT GROVE AND AZEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS LIKELY ON THE NORTH AND SOUTH WYACONDA RIVERS. FLOODING OF SMALL STREAMS AND CREEKS...COUNTY ROADS...AND LOW LYING FARMLAND IS LIKELY. && LAT...LON 4059 9204 4048 9172 4032 9174 4044 9211 $$ WOLF
2 follow-up statements
527 WGUS73 KDVN 252242 FFSDVN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 542 PM CDT WED MAY 25 2011 MOC045-199-260330- /O.CON.KDVN.FF.W.0002.000000T0000Z-110526T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CLARK MO-SCOTLAND MO- 542 PM CDT WED MAY 25 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR NORTHEASTERN SCOTLAND AND WESTERN CLARK COUNTIES... AT 538 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT RAIN HAS SLACKENED CONSIDERABLY AND THE HEAVIEST RAIN HAS MOVED OFF TO THE NORTH. HOWEVER...IT WILL TAKE SOME TIME FOR WATER TO RUNOFF AND FLASH FLOODING TO SUBSIDE. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GRANGER AND THE NORTH AND SOUTH WYACONDA RIVERS. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLOODING OF SMALL STREAMS AND CREEKS...COUNTY ROADS...AND LOW LYING FARMLAND IS LIKELY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING FOR SOUTHEAST IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST MISSOURI. && LAT...LON 4059 9204 4048 9172 4032 9174 4044 9211 $$ WOLF
544 WGUS73 KDVN 260019 FFSDVN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 719 PM CDT WED MAY 25 2011 MOC045-199-260028- /O.CAN.KDVN.FF.W.0002.000000T0000Z-110526T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CLARK MO-SCOTLAND MO- 719 PM CDT WED MAY 25 2011 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHEASTERN SCOTLAND AND WESTERN CLARK COUNTIES... WATER HAS RECEDED FROM ROADS IN NORTHEAST SCOTLAND COUNTY AND NO FURTHER RAINFALL IS EXPECTED...THUS THE FLASH FLOOD WARNING HAS BEEN CANCELLED. LAT...LON 4059 9204 4048 9172 4032 9174 4044 9211 $$ WOLF
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 2:20 AM CDT | Special Weather Statement | DVN | Clark, Scotland | 70 min |
| May 25, 2:38 AM CDT | Flash Flood Watch | DVN | Clark, Scotland | 20 hr |
| May 25, 6:37 AM CDT | River Flood Warning | DVN | Clark | 52 hr |
| May 25, 11:46 AM CDT | River Flood Warning | DVN | Clark | 13 days |
| May 25, 3:34 PM CDT | Severe Thunderstorm Warning | DVN | Clark, Scotland | 56 min |
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.