Alert archive / Michigan / Flash Flood Warnings in 2004
Flash Flood Warning 7, NWS Gaylord, MI
NWS Gaylord, MI issued this flash flood warning at Aug 2, 2004, 4:46 PM EDT for Alcona 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
- Aug 2, 2004, 4:46 PM EDT (20:46 UTC)
- Expired
- Aug 2, 2004, 7:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Gaylord, MI
- Area
- Counties, with a storm outline in the text
County Alcona County, MI
The radar
The NCL Michigan radar (KAPX), 108 km from the middle of the area, began a volume at 20:46 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
Alpena, MI (KAPX), launched 12:00Z, 8.8 hours before the alert went out and 93 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
- 1086 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 949 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KAPX 022048
FFWAPX
MIC001-022345-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
446 PM EDT MON AUG 2 2004
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ALCONA COUNTY IN NORTHERN LOWER MICHIGAN
* UNTIL 745 PM EDT
* AT 441 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM THUNDERSTORMS MOVING ACROSS CENTRAL AND
SOUTHERN ALCONA COUNTY. THESE STORMS WERE MOVING EAST AT 20 MPH.
* LOCATIONS IMPACTED INCLUDE...
MIKADO...LINCOLN...HARRISVILLE...GLENNIE AND BARTON CITY.
DOPPLER RADAR RAINFALL ESTIMATES BETWEEN 3 AND 3.5 INCHES
HAVE FALLEN OVER THIS REGION...WITH ADDITIONAL RAINFALL EXPECTED.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
FLOWING WATER OR WATER OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE.
LAT...LON 4461 8332 4452 8331 4451 8332 4451 8388
4467 8388 4477 8329 4476 8330 4473 8328
4466 8329 4465 8328
$$2 follow-up statements
000 WGUS73 KAPX 022222 FFSAPX MIC001-022345- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GAYLORD MI 620 PM EDT MON AUG 2 2004 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM FOR ALCONA COUNTY... A FLASH FLOOD WARNING REMAINS IN EFFECT FOR ALCONA COUNTY UNTIL 745 PM. RADAR ESTIMATES THUS FAR INDICATE BETWEEN 4.5 AND 5 INCHES OF RAINFALL ACROSS SOUTHERN PARTS OF ALCONA COUNTY. AT 615 PM...DOPPLER RADAR SHOWED SHOWERS AND THUNDERSTORMS CONTINUING TO MOVE ACROSS THE WARNING AREA. MOTORISTS ARE URGED TO DRIVE WITH EXTREME CAUTION ACROSS ALCONA COUNTY. REMEMBER THAT ONE TO TWO FEET OF WATER CAN FLOAT MOST AUTOMOBILES. DO NOT ATTEMPT TO CROSS A FLOODED ROADWAY. LAT...LON 4478 8386 4463 8375 4459 8351 4481 8348 $$
000
WGUS73 KAPX 022348
FFSAPX
MIC001-030015-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
748 PM EDT MON AUG 2 2004
...FLASH FLOOD WARNING FOR ALCONA COUNTY HAS EXPIRED...
A FLASH FLOOD WARNING FOR ALCONA COUNTY HAS EXPIRED. 742 PM EDT
NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THAT THE THUNDERSTORMS
THAT HAD PRODUCED THE HEAVY RAIN HAVE MOVED OUT OVER LAKE HURON.
RADAR ESTIMATES THUS FAR INDICATE BETWEEN 4.5 AND 5 INCHES OF
RAINFALL ACROSS SOUTHERN PARTS OF ALCONA COUNTY. PLEASE BEWARE OF
WATER ACROSS ROADWAYS.
MOTORISTS ARE URGED TO DRIVE WITH EXTREME CAUTION ACROSS ALCONA
COUNTY. REMEMBER THAT ONE TO TWO FEET OF WATER CAN FLOAT MOST
AUTOMOBILES. DO NOT ATTEMPT TO CROSS A FLOODED ROADWAY.
LAT...LON 4461 8332 4452 8331 4451 8332 4451 8388
4485 8387 4485 8331 4481 8329 4476 8330
4473 8328 4466 8329 4465 8328
$$The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 12:00 PM EDT | Flash Flood Warning | APX | Mackinac | 2 hr |
| Aug 2, 1:35 PM EDT | Severe Thunderstorm Warning | APX | Presque Isle | 40 min |
| Aug 2, 1:42 PM EDT | Severe Thunderstorm Warning | APX | Presque Isle | 33 min |
| Aug 2, 1:47 PM EDT | Special Marine Warning | APX | 88 min | |
| Aug 2, 2:00 PM EDT | Flash Flood Warning | APX | Mackinac | 4 hr |
| Aug 2, 2:09 PM EDT | Severe Thunderstorm Warning | APX | Presque Isle | 51 min |
| Aug 2, 2:23 PM EDT | Severe Thunderstorm Warning | APX | Alpena | 52 min |
| Aug 2, 2:42 PM EDT | Severe Thunderstorm Warning | APX | Alcona | 48 min |
| Aug 2, 2:50 PM EDT | Special Marine Warning | APX | 85 min | |
| Aug 2, 3:23 PM EDT | Severe Thunderstorm Warning | APX | Otsego | 52 min |
| Aug 2, 3:30 PM EDT | Severe Thunderstorm Warning | APX | Alcona | 45 min |
| Aug 2, 3:37 PM EDT | Severe Thunderstorm Warning | APX | Oscoda | 53 min |
| Aug 2, 4:10 PM EDT | Severe Thunderstorm Warning | APX | Roscommon | 50 min |
| Aug 2, 4:35 PM EDT | Severe Thunderstorm Warning | APX | Iosco | 40 min |
| Aug 2, 4:40 PM EDT | Special Marine Warning | APX | 2 hr | |
| Aug 2, 4:40 PM EDT | Special Marine Warning | APX | 2 hr | |
| Aug 2, 4:53 PM EDT | Severe Thunderstorm Warning | APX | Ogemaw | 67 min |
| Aug 2, 5:20 PM EDT | Severe Thunderstorm Warning | APX | Iosco | 55 min |
| Aug 2, 5:38 PM EDT | Severe Thunderstorm Warning | APX | Arenac | 52 min |
Nearby
Flash Flood Warnings in Michigan, 2004Every flash flood warning in 2004
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.