Alert archive / Michigan / Flash Flood Warnings in 2005
Flash Flood Warning 2, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this flash flood warning at Jul 24, 2005, 4:50 AM EDT for Mason County, Michigan. 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
- Jul 24, 2005, 4:50 AM EDT (08:50 UTC)
- Expired
- Jul 24, 2005, 7:45 AM EDT
- In force
- 3 hr
- Issued by
- NWS Grand Rapids, MI
- Area
- Counties, with a storm outline in the text
County Mason County, MI
The radar
The Grand Rapids radar (KGRR), 141 km from the middle of the area, began a volume at 08:53 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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 8.8 hours before the alert went out and 157 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1000 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 293 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KGRR 240851 FFWGRR MIC105-241145- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GRAND RAPIDS MI 450 AM EDT SUN JUL 24 2005 THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A * FLASH FLOOD WARNING FOR... MASON COUNTY IN WEST CENTRAL MICHIGAN * UNTIL 745 AM EDT * AT 445 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF VERY HEAVY RAIN...WITH RADAR INDICATIONS OF UP TO TO 3 INCHES BETWEEN 4 AM AND 450 AM NORTH OF THE BIG SABLE RIVER. * LOCATIONS IMPACTED INCLUDE... FREESOIL DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. LAT...LON 4400 8631 4400 8606 4417 8605 4418 8631 $$ WDM
2 follow-up statements
000 WGUS73 KGRR 241036 FFSGRR FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 623 AM EDT SUN JUL 24 2005 MIC105-241145- MASON MI- 623 AM EDT SUN JUL 24 2005 ...A FLASH FLOOD WARNING CONTINUES UNTIL 745 AM EDT FOR MASON COUNTY... AT 615 AM EDT...THE THUNDERSTORMS THAT PRODUCED THE TORRENTIAL RAIN EARLIER HAVE MOVED EAST OF THE MASON COUNTY. IT IS ESTIMATED THAT UP TO 4 INCHES OF RAIN MAY HAVE FALLEN ACROSS THE NORTHERN PARTS OF THE COUNTY. THE HARDEST HIT TOWNSHIPS INCLUDE FREESOIL...MEADE...SHERIDAN AND SHERMAN. THE STREAMS IMPACTED WOULD INCLUDE THE SMALL TRIBUTARIES THAT FLOW INTO THE BIG SABLE AND LITTLE MANISTEE RIVERS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. THE EROSION CAUSED BY THE RUNOFF FROM THE HEAVY RAINFALL MAY HAVE DAMAGED SOME ROADS AS WELL. THUNDERSTORMS WITH HEAVY RAIN WERE CROSSING NORTHERN LAKE MICHIGAN. THE STORMS MAY ENTER MASON COUNTY BY 800 AM. $$
000 WGUS73 KGRR 241153 FFSGRR FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 748 AM EDT SUN JUL 24 2005 MIC105-241158- MASON MI- 748 AM EDT SUN JUL 24 2005 ...THE FLASH FLOOD WARNING FOR MASON COUNTY EXPIRES AT 745 AM EDT... NO REPORTS OF FLOODING HAVE BEEN REPORTED FROM THE EARLIER HEAVY RAINFALL. STREAMS MAY BE RUNNING HIGH AS RUNOFF CONTINUES TO DIMINISH. MOTORISTS SHOULD BE ALERT FOR SIGNIFICANT PONDING OF THE WATER ON AREA ROADWAYS. $$ MJS
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 3:13 AM EDT | Special Marine Warning | GRR | 32 min | |
| Jul 24, 3:43 AM EDT | Special Marine Warning | GRR | 17 min | |
| Jul 24, 3:57 AM EDT | Severe Thunderstorm Warning | GRR | Mason | 63 min |
| Jul 24, 4:09 AM EDT | Special Marine Warning | GRR | 54 min | |
| Jul 24, 4:44 AM EDT | Severe Thunderstorm Warning | GRR | Lake | 46 min |
| Jul 24, 5:01 AM EDT | Severe Thunderstorm Warning | GRR | Mason | 30 min |
| Jul 24, 5:09 AM EDT | Flash Flood Warning | GRR | Lake, Osceola | 3 hr |
| Jul 24, 5:28 AM EDT | Severe Thunderstorm Warning | GRR | Lake | 47 min |
| Jul 24, 5:56 AM EDT | Severe Thunderstorm Warning | GRR | Mecosta, Newaygo | 64 min |
| Jul 24, 6:32 AM EDT | Severe Thunderstorm Warning | GRR | Gratiot, Isabella, Montcalm | 58 min |
| Jul 24, 7:16 AM EDT | Severe Thunderstorm Warning | GRR | Clinton, Ionia | 59 min |
| Jul 24, 8:06 AM EDT | Severe Thunderstorm Warning | GRR | Eaton, Ingham | 58 min |
| Jul 24, 8:17 AM EDT | Flash Flood Warning | GRR | Lake, Osceola | 3 hr |
| Jul 24, 8:51 AM EDT | Severe Thunderstorm Warning | GRR | Jackson | 54 min |
| Jul 24, 8:55 AM EDT | Severe Thunderstorm Warning | GRR | Isabella, Mecosta, Montcalm | 51 min |
| Jul 24, 8:57 AM EDT | Severe Thunderstorm Warning | GRR | Ingham | 33 min |
Nearby
Flash Flood Warnings in Michigan, 2005Every flash flood warning in 2005
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.