Alert archive / Missouri / Flash Flood Warnings in 2016
Flash Flood Warning 32, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 4, 2016, 12:06 AM CDT for Callaway County, Missouri. It was in force for 9 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
- Aug 4, 2016, 12:06 AM CDT (05:06 UTC)
- Expired
- Aug 4, 2016, 9:00 AM CDT
- In force
- 9 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- Moderate
County Callaway County, MO
The radar
The St Louis radar (KLSX), 103 km from the middle of the area, began a volume at 05:12 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, 5.1 hours before the alert went out and 272 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
- 1321 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1720 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
789 WGUS53 KLSX 040506 FFWLSX MOC027-041400- /O.NEW.KLSX.FF.W.0032.160804T0506Z-160804T1400Z/ /00000.2.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1206 AM CDT THU AUG 4 2016 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * FLASH FLOOD WARNING FOR... A DAM BREAK IN... CENTRAL CALLAWAY COUNTY IN CENTRAL MISSOURI... * UNTIL 900 AM CDT THURSDAY * AT 1201 AM CDT...COUNTY DISPATCH REPORTED THAT THE FAILURE OF THE EARTHEN DAM IMPOUNDING GLOVERS SPRING LAKE IS STILL ONGOING. FLOOD WATERS ARE MOVING DOWN DUNLAP CREEK BELOW GLOVERS SPRING LAKE DAM AND ALONG CROWS FORK CREEK. COUNTY ROUTE 101 IS NOW CLOSED BETWEEEN ROUTES UU AND COUNTY ROAD 108. ADDITIONAL ROADS THREATENED BY THIS FLOODING INCLUDE STATE HIGHWAY UU AND STATE HIGHWAY O ALONG CROWS FORK CREEK. PEOPLE IN THE VICINITY OF THESE CREEKS SHOULD TAKE IMMEDIATE ACTION BY MOVING TO HIGHER GROUND. PRECAUTIONARY/PREPAREDNESS ACTIONS... WATER FROM THE DAM BREAK WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS...AS WELL AS WASH OUT ROADS NEARBY. && LAT...LON 3887 9186 3874 9182 3874 9186 3886 9193 $$ BYRD
1 follow-up statement
507 WGUS73 KLSX 041356 FFSLSX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 856 AM CDT THU AUG 4 2016 MOC027-041403- /O.EXP.KLSX.FF.W.0032.000000T0000Z-160804T1400Z/ /00000.0.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CALLAWAY MO- 856 AM CDT THU AUG 4 2016 ...THE FLASH FLOOD WARNING FOR A DAM BREAK WILL EXPIRE AT 900 AM CDT FOR CENTRAL CALLAWAY COUNTY... THE WATER BEING RELEASED FROM THE GLOVERS SPRING LAKE DAM FAILURE IS SLOWING DOWN...AND IS NO LONGER EXPECTED TO POSE A SIGNIFICANT THREAT. PLEASE CONTINUE TO HEED ALL ROAD CLOSURES...INCLUDING COUNTY ROAD 101 AS THE ROADWAY LEADING UP TO THE BRIDGE NEAR THE DAM HAS BEEN WASHED OUT. LAT...LON 3887 9186 3874 9182 3874 9186 3886 9193 $$ BYRD
Nearby
Flash Flood Warnings in Missouri, 2016Every flash flood warning in 2016
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.