Alert archive / Michigan / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 32, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jul 6, 1994, 5:17 PM EDT for Iosco County, Michigan. It was in force for 88 min.
The area
The counties it named.
The facts
- Issued
- Jul 6, 1994, 5:17 PM EDT (21:17 UTC)
- Expired
- Jul 6, 1994, 6:45 PM EDT
- In force
- 88 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
County Iosco County, MI
The nearest sounding before it
Detroit, MI (KFNT), launched 12:00Z, 9.3 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
- 1873 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 1033 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KAPN 062121 RRA SVRAPN MIC069-062245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE ALPENA MI 517 PM EDT WED JUL 6 1994 THE NATIONAL WEATHER SERVICE IN ALPENA HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 645 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST LOWER MICHIGAN ...IOSCO COUNTY AND FOR MARINE INTERESTS ON COASTAL WATERS FROM... ...ALABASTER TO HARRISVILLE... AT 515 PM A SEVERE THUNDERSTORM WAS INDICATED NEAR SOUTHBRANCH... ABOUT 45 MILES SOUTHWEST OF ALPENA... MOVING EAST AT 20 MPH. THE STORM WILL MOVE TO HALE BY 545 PM AND TO OSCODA AND TAWAS CITY BY 645 PM. PERSONS IN HALE...OSCODA... AND TAWAS CITY SHOULD BE PREPARED FOR HAIL TO 1 INCH AND STRONG DAMAGING WINDS. A TORNADO IS POSSIBLE WITH THIS STORM. MARINERS ALONG THE LAKE HURON SHORE FROM HARRISVILLE TO ALABASTER SHOULD SEEK SAFE HARBOR IMMEDIATELY. HOLLINGSWORTH
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Jul 6, 3:00 PM EDT, 2 hours 17 minutes before
PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE ALPENA MI
300 PM EDT WED JUL 6 1994
TIME (EDT) COUNTY DESCRIPTION OF EVENT
...ALL REPORTS FROM JULY 5 1994...
908 PM MONTMORENCY 3/4" HAIL REPORTED BY SPOTTER IN LEWISTON
1015 PM OSCODA 1" HAIL REPORTED BY SPOTTER .5MI SOUTH
OF LUZERNE
1017 PM OSCODA 3/4" HAIL REPORTED BY SPOTTERS IN BOTH
MIO AND LUZERNE
1019 PM OSCODA WIND DAMAGE- TREE DOWN IN MIO ON M-33
TREE DIAMETER 12" - SPOTTER REPORT
1015 PM IOSCO SPOTTER REPORTED 3/4" HAIL IN THE TOWN
OF HALE
1130 PM IOSCO STATE POLICE REPORTED 3 TREES DOWNED
18" IN DIAMETER 2MI NORTH OF OSCODA
HOLLINGSWORTHLocal storm report, Jul 6, 3:00 PM EDT, 2 hours 17 minutes before
PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE ALPENA MI
300 PM EDT WED JUL 6 1994
TIME (EDT) COUNTY DESCRIPTION OF EVENT
...ALL REPORTS FROM JULY 5 1994...
908 PM MONTMORENCY 3/4" HAIL REPORTED BY SPOTTER IN LEWISTON
1015 PM OSCODA 1" HAIL REPORTED BY SPOTTER .5MI SOUTH
OF LUZERNE
1017 PM OSCODA 3/4" HAIL REPORTED BY SPOTTERS IN BOTH
MIO AND LUZERNE
1019 PM OSCODA WIND DAMAGE- TREE DOWN IN MIO ON M-33
TREE DIAMETER 12" - SPOTTER REPORT
1015 PM IOSCO SPOTTER REPORTED 3/4" HAIL IN THE TOWN
OF HALE
1130 PM IOSCO STATE POLICE REPORTED 3 TREES DOWNED
18" IN DIAMETER 2MI NORTH OF OSCODA
HOLLINGSWORTHSpecial weather statement, Jul 6, 5:16 PM EDT, 1 minute before
MIZ028-034-035-062215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUGHTON LAKE MI 519 PM EDT WED JUL 6 1994 ...THUNDERSTORMS WERE GRADUALLY MOVING INTO WEST PORTIONS OF NORTH CENTRAL LOWER MICHIGAN... AT 515 PM EDT...NATIONAL WEATHER SERVICE RADAR OUT OF HOUGHTON LAKE INDICATED AN EXPANDING LINE OF THUNDERSTORMS EXTENDING FROM ABOUT 25 MILES SOUTH OF ALPENA TO 20 MILES SOUTHWEST OF CADILLAC. THE STRONGEST STORM WAS LOCATED OVER THE VILLAGE OF ROSCOMMON. THIS STORM WAS MOVING SLOWLY TO THE EAST AT 10 MPH...WHILE THE MAIN LINE OF THUNDERSTORMS WAS NEARLY STATIONARY. PEOPLE IN SOUTHERN CRAWFORD COUNTY...NORTHERN OGEMAW COUNTY...AND NORTHERN ROSCOMMON COUNTY CAN EXPECT THESE THUNDERSTORMS TO LINGER FOR THE NEXT HOUR OR SO...BRINGING LOCALLY HEAVY RAINS... DANGEROUS CLOUD TO GROUND LIGHTNING...GUSTY WINDS...AND POSSIBLY SMALL HAIL. THIS WOULD INCLUDE THE COMMUNITIES OF ROSCOMMON...ROSE CITY...AS WELL AS THE HOUGHTON LAKE/HIG6GINS LAKE AREAS. IF YOU SEE A THUNDERSTORM APPROACH YOUR AREA...GET INSIDE A STURDY BUILDING IMMEDIATELY AND STAY AWAY FROM WINDOWS. HURLEY NNNN
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 8:44 PM EDT | Severe Thunderstorm Warning | APX | Montmorency | 61 min |
| Jul 5, 8:57 PM EDT | Severe Thunderstorm Warning | APX | Oscoda | 63 min |
| Jul 5, 9:26 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena | 64 min |
| Jul 5, 9:34 PM EDT | Tornado Warning | APX | Alpena, Presque Isle | 41 min |
| Jul 5, 9:59 PM EDT | Severe Thunderstorm Warning | APX | Oscoda | 61 min |
| Jul 5, 10:09 PM EDT | Severe Thunderstorm Warning | APX | Iosco | 66 min |
| Jul 5, 11:19 PM EDT | Severe Thunderstorm Warning | APX | Iosco | 56 min |
| Jul 6, 3:44 PM EDT | Severe Thunderstorm Warning | APX | Missaukee | 31 min |
| Jul 6, 4:23 PM EDT | Severe Thunderstorm Warning | APX | Alcona | 67 min |
| Jul 6, 5:37 PM EDT | Severe Thunderstorm Warning | APX | Osceola, Wexford | 68 min |
| Jul 6, 5:57 PM EDT | Severe Thunderstorm Warning | APX | Arenac | 63 min |
| Jul 6, 6:57 PM EDT | Severe Thunderstorm Warning | APX | Arenac | 34 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 1994Every severe thunderstorm 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.