Alert archive / Michigan / Flash Flood Warnings in 1994
Flash Flood Warning 5, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this flash flood warning at Jul 7, 1994, 8:25 PM EDT for Kent County, Michigan. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1994, 8:25 PM EDT (00:25 UTC)
- Expired
- Jul 8, 1994, 2:30 AM EDT
- In force
- 6 hr
- Issued by
- NWS Grand Rapids, MI
- Area
- Whole counties
County Kent County, MI
The nearest sounding before it
Detroit, MI (KFNT), launched 00:00Z, 0.4 hours before the alert went out and 176 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
- 2204 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 967 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGRR 080026 FFWGRR MIC081-080630- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GRAND RAPIDS MI 825 PM EDT THU JUL 7 1994 THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 230 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST MICHIGAN ...KENT COUNTY AT 823 PM EDT... WEATHER RADAR INDICATED INTENSE THUNDERSTORMS AND HEAVY RAIN OVER GRAND RAPIDS AND VICINITY. A SKYWARN SPOTTER REPORTED NEARLY THREE INCHES OF RAIN BETWEEN 745 AND 815 PM EDT AT WYOMING. THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH KENT COUNTY UNTIL 930 PM EDT. TOTAL RAINFALL BY 930 PM EDT IS EXPECTED TO BE 2 TO 4 INCHES. SMALL STREAMS AND CREEKS WILL FLOOD QUICKLY DUE TO THE HEAVY RAIN FROM THESE THUNDERSTORMS. MANY DIPS... LOW SPOTS AND INTERSECTIONS ON ROADWAYS HAVE BECOME FLOODED WITH TWO TO THREE FEET OF WATER. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROAD. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOU TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY... AND YOU SHOULD MOVE TO HIGHER GROUND. TPH &
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 7, 7:00 PM EDT, 1 hour 25 minutes before
MIZ051-056>058-064-065-071-072-080000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 700 PM EDT THU JUL 7 1994 ...SCATTERED THUNDERSTORMS OVER SOUTHWEST LOWER MICHIGAN... AT 655 PM EDT... WEATHER RADAR DETECTED A 20 MILE WIDE BROKEN LINE OF THUNDERSTORMS FROM CARSON CITY...45 MILES EAST NORTHEAST OF GRAND RAPIDS TO CALEDONIA... 8 MILES SOUTHEAST OF GRAND RAPIDS. MOVEMENT OF THIS LINE OF THUNDERSTORMS WAS TO THE EAST AT 10 TO 15 MPH. THESE STORMS WILL CONTINUE TO EFFECT PERSONS IN CARSON CITY TO BELDING TO CALEDONIA THROUGH 730 PM. ANOTHER AREA OF RAIN WITH A FEW THUNDERSTORMS WAS LOCATED FROM GANGES TO LAWTON AND WEST OVER LAKE MICHIGAN. MOVEMENT WAS TO THE EAST NORTHEAST AT 20 MPH. IT WILL SPREAD OVER HOLLAND TO VICKSBURG BY 800 PM. DRIVERS ENCOUNTERING THUNDERSTORMS THIS EVENING SHOULD BE AWARE THAT LOCALIZED FLOODING OF LOW LYING AREAS SUCH AS UNDERPASSES MAY OCCUR. ALSO REMEMBER THAT HEAVY RAIN CAN REDUCE VISIBILITIES SIGNIFICANTLY.
Special weather statement, Jul 7, 7:05 PM EDT, 1 hour 20 minutes before
MIZ020-021-025>027-031>033-037>039-043>045-050-515-080130- SPECIAL WEATHER STATEMENT FOR NORTHWEST AND WEST CENTRAL LOWER MICHIGAN NATIONAL WEATHER SERVICE MUSKEGON MI 705 PM EDT THU JUL 7 1994 ...THUNDERSTORMS CONTINUE TO DEVELOP... AT 700 PM EDT... WEATHER RADAR SHOWED THUNDERSTORMS CONTINUING TO DEVELOP IN WEST CENTRAL AND NORTHWEST LOWER MICHIGAN. ON BAND OF THUNDERSTORMS STRETCHED FROM NEAR HART IN OCEANA COUNTY NORTH TO SOUTH BOARDMAN IN KALKASKA COUNTY. THE STRONGEST THUNDERSTORM WAS ON THE MASON/LAKE COUNTY BOARDER NEAR THE TOWN OF BRANCH. ANOTHER BAND OF THUNDERSTORMS STRETCHED FROM JUST EAST OF MUSKEGON NORTHEAST TO EVART IN OSCEOLA COUNTY. THE STRONGEST THUNDERSTORM IN THIS BAND WAS LOCATED IN SOUTHWEST NEWAYGO COUNTY NEAR NEWAYGO. ALL OF THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 15 MPH AND WILL CONTINUE THAT TREND THROUGH 900 PM. AT THIS TIME NONE OF THE THUNDERSTORMS WERE SEVERE BUT MANY WERE PRODUCING VERY HEAVY RAINFALL AND VIVID LIGHTNING. THESE THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGH 900 PM AND WILL CONTAIN VERY HEAVY RAINFALL. THE BEST PLACE TO BE DURING A THUNDERSTORM IS IN A REINFORCED SHELTER. DO NOT GO OUTSIDE AS LIGHTNING CAN BE A KILLER. FELVER
Special weather statement, Jul 7, 7:05 PM EDT, 1 hour 20 minutes before
MIZ020-021-025>027-031>033-037>039-043>045-050-515-080130- SPECIAL WEATHER STATEMENT FOR NORTHWEST AND WEST CENTRAL LOWER MICHIGAN NATIONAL WEATHER SERVICE MUSKEGON MI 705 PM EDT THU JUL 7 1994 ...THUNDERSTORMS CONTINUE TO DEVELOP... AT 700 PM EDT... WEATHER RADAR SHOWED THUNDERSTORMS CONTINUING TO DEVELOP IN WEST CENTRAL AND NORTHWEST LOWER MICHIGAN. ON BAND OF THUNDERSTORMS STRETCHED FROM NEAR HART IN OCEANA COUNTY NORTH TO SOUTH BOARDMAN IN KALKASKA COUNTY. THE STRONGEST THUNDERSTORM WAS ON THE MASON/LAKE COUNTY BOARDER NEAR THE TOWN OF BRANCH. ANOTHER BAND OF THUNDERSTORMS STRETCHED FROM JUST EAST OF MUSKEGON NORTHEAST TO EVART IN OSCEOLA COUNTY. THE STRONGEST THUNDERSTORM IN THIS BAND WAS LOCATED IN SOUTHWEST NEWAYGO COUNTY NEAR NEWAYGO. ALL OF THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 15 MPH AND WILL CONTINUE THAT TREND THROUGH 900 PM. AT THIS TIME NONE OF THE THUNDERSTORMS WERE SEVERE BUT MANY WERE PRODUCING VERY HEAVY RAINFALL AND VIVID LIGHTNING. THESE THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGH 900 PM AND WILL CONTAIN VERY HEAVY RAINFALL. THE BEST PLACE TO BE DURING A THUNDERSTORM IS IN A REINFORCED SHELTER. DO NOT GO OUTSIDE AS LIGHTNING CAN BE A KILLER. FELVER
Special weather statement, Jul 7, 7:53 PM EDT, 32 minutes before
MIZ051-056>058-064-065-071-072-080100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 753 PM EDT THU JUL 7 1994 ...THUNDERSTORMS OVER SOUTHWEST LOWER MICHIGAN... AT 753 PM EDT... AN AREA OF THUNDERSTORMS COVERED MUCH OF SOUTHWEST LOWER MICHIGAN. THE STRONGEST STORM DETECTED ON WEATHER RADAR WAS LOCATED FROM NEAR GRANDVILLE... 5 MILES WEST OF GRAND RAPIDS TO GRAND RAPIDS. A SKYWARN SPOTTER REPORTED VERY HEAVY RAIN... PEA SIZED HAIL... AND WIND GUSTS TO 45 MPH IN GRAND RAPIDS. MOVEMENT OF THE THUNDERSTORMS WAS TO THE NORTH AT 10 MPH. THESE HEAVY STORMS WILL EFFECT PERSON IN WALKER TO CANNONSBURG BY 900 PM. THUNDERSTORMS WILL CONTINUE OVER MUCH OF SOUTHWEST LOWER MICHIGAN THROUGH 900 PM. LOCALIZED FLOODING OF LOW LYING AREAS IS POSSIBLE DUE TO THE SLOW MOVEMENT OF THESE THUNDERSTORMS. DRIVERS ALSO REMEMBER THAT HEAVY RAIN CAN REDUCE VISIBILITIES SIGNIFICANTLY. PEOPLE IN THE PATH OF THESE STORMS SHOULD GO INDOORS TO AVOID THE DANGERS ASSOCIATED WITH LIGHTNING STRIKES.
Special weather statement, Jul 7, 8:21 PM EDT, 4 minutes before
MIZ046-052-059-066-067-07-074-080100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LANSING MI 821 PM EDT THU JUL 7 1994 ...STRONG THUNDERSTORMS OVER SOUTH CENTRAL LOWER MICHIGAN... AT 815 PM...WEATHER RADAR SHOWED AN AREA OF THUNDERSTORMS ACROSS MOST OF LOWER MICHIGAN...INCLUDING SOUTH CENTRAL LOWER MICHIGAN. ONE STRONG STORM WAS 20 MILES NORTHWEST OF LANSING...OR BETWEEN THE TOWNS OF PEWAMO AND FOWLER IN CLINTON COUNTY. THIS STORM WAS DRIFTING TO THE NORTHEAST AT 10 MILES AND HOUR AND AFFECT THE AREAS AROUND FOWLER AND MATHERTON BETWEEN 815 AND 900 PM EDT. ANOTHER STRONG STORM WAS OVER SOUTHERN EATON COUNTY...ABOUT 25 MILES SOUTHWEST OF LANSING...EAST OF THE TOWN OF OLIVET. THIS STORM WAS ALSO MOVING NORTHEAST AT 10 MILES AN HOUR AND WILL PASS BETWEEN CHARLOTTE AND EATON RAPIDS BETWEEN 835 AND 845 PM EDT. THESE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL AS THEY PASS OVERHEAD. DO NOT ATTEMP TO DRIVE THROUGH STANDING WATER ON ROADS. ALSO...SMALL HAIL AND FREQENT DEADLY LIGHTNING ARE POSSIBLE WITH THEST STORMS. MOVE INDOORS TO PROTECT YOURSELF FROM THE DANGERS OF LIGHTNING. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO FOR FURTHER UPDATES AND STATEMENTS. DESROSIERS
Special weather statement, Jul 7, 8:22 PM EDT, 3 minutes before
MIZ046-052-059-066-067-07-074-080100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LANSING MI 821 PM EDT THU JUL 7 1994 ...STRONG THUNDERSTORMS OVER SOUTH CENTRAL LOWER MICHIGAN... AT 815 PM...WEATHER RADAR SHOWED AN AREA OF THUNDERSTORMS ACROSS MOST OF LOWER MICHIGAN...INCLUDING SOUTH CENTRAL LOWER MICHIGAN. ONE STRONG STORM WAS 20 MILES NORTHWEST OF LANSING...OR BETWEEN THE TOWNS OF PEWAMO AND FOWLER IN CLINTON COUNTY. THIS STORM WAS DRIFTING TO THE NORTHEAST AT 10 MILES AND HOUR AND AFFECT THE AREAS AROUND FOWLER AND MATHERTON BETWEEN 815 AND 900 PM EDT. ANOTHER STRONG STORM WAS OVER SOUTHERN EATON COUNTY...ABOUT 25 MILES SOUTHWEST OF LANSING...EAST OF THE TOWN OF OLIVET. THIS STORM WAS ALSO MOVING NORTHEAST AT 10 MILES AN HOUR AND WILL PASS BETWEEN CHARLOTTE AND EATON RAPIDS BETWEEN 835 AND 845 PM EDT. THESE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL AS THEY PASS OVERHEAD. DO NOT ATTEMP TO DRIVE THROUGH STANDING WATER ON ROADS. ALSO...SMALL HAIL AND FREQENT DEADLY LIGHTNING ARE POSSIBLE WITH THEST STORMS. MOVE INDOORS TO PROTECT YOURSELF FROM THE DANGERS OF LIGHTNING. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO FOR FURTHER UPDATES AND STATEMENTS. DESROSIERS
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 9:02 PM EDT | Tornado Warning | GRR | Eaton | 28 min |
| Jul 7, 9:18 PM EDT | Tornado Warning | GRR | Ingham | 27 min |
| Jul 7, 9:55 PM EDT | Flash Flood Warning | GRR | Ionia, Montcalm | 3 hr |
| Jul 7, 9:59 PM EDT | Severe Thunderstorm Warning | GRR | Clinton | 12 min |
Nearby
Flash Flood Warnings in Michigan, 1994Every flash flood warning in 1994
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.