Alert archive / Michigan / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 3, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Apr 15, 1994, 9:59 AM EDT for Montmorency County, Michigan. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Apr 15, 1994, 9:59 AM EDT (13:59 UTC)
- Expired
- Apr 15, 1994, 10:30 AM EDT
- In force
- 31 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
County Montmorency County, MI
The nearest sounding before it
Sault Ste Marie, MI (KY62), launched 12:00Z, 2.0 hours before the alert went out and 161 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
- 1073 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 163 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAPN 151402 SVRAPN MIC119-151430- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ALPENA MI 959 AM EDT FRI APR 15 1994 THE NATIONAL WEATHER SERVICE IN ALPENA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST LOWER MICHIGAN ...MONTMORENCY COUNTY AT 1000 AM A SEVERE THUNDERSTORM WAS MOVING THROUGH MONTMORENCY COUNTY. THE STORM WAS PRODUCING MARBLE SIZE HAIL IN LEWISTON... AND WILL MOVE THROUGH ATLANTA BY 1010 AM AND HILLMAN BY 1020 AM. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. 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
Special weather statement, Apr 15, 7:17 AM EDT, 2 hours 42 minutes before
MIZ016>019-023-024-029-030-036-042-509-514-151225- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALPENA MI 716 AM EDT FRI APR 15 1994 ...SCATTERED THUNDERSTORMS WERE MOVING ACROSS NORTHWEST LOWER MICHIGAN... AT 710 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS...EMBEDDED WITHIN A BAND OF RAIN...ENTERING WESTERN CHEBOYGAN COUNTY. THIS LINE EXTENDED FROM ALANSON TO WOLVERINE AT 710 AM AND WAS MOVING TO THE NORTHEAST AT 45 MPH. THESE THUNDERSTORMS WILL REACH THE COMMUNITIES OF ALOHA AND MULLET LAKE BY 720 AM AND THE CITY OF CHEBOYGAN BY 730 AM. FREQUENT LIGHTNING...BRIEFLY HEAVY RAINS...AND GUSTY WINDS WILL ACCOMPANY THESE STORMS. ACROSS THE REST OF NORTHERN LOWER MICHIGAN...THE BAND OF RAIN WILL BE MOVING OUT OVER LAKE HURON BY 730 AM. A BRIEF THUNDERSTORM WILL STILL BE POSSIBLE ANYWHERE IN NORTHERN LOWER MICHIGAN THROUGH 900 AM. REMEMBER...ALL THUNDERSTORMS CAN AND DO PRODUCE DEADLY LIGHTNING. IF THUNDERSTORMS APPROACH YOUR AREA TAKE SHELTER AND AVOID USING ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD ALSO BE ALERT FOR REDUCED VISIBILITIES IN AREAS OF HEAVY RAIN. NORCROSS
Special weather statement, Apr 15, 7:30 AM EDT, 2 hours 29 minutes before
MIZ007-008-015-151330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAULT STE MARIE MI 730 AM EDT FRI APR 15 1994 ...THUNDERSTORMS IN EAST UPPER MICHIGAN... AN AREA OF THUNDERSTORMS HAD MOVED INTO CENTRAL PORTIONS OF EAST UPPER MICHIGAN AT 730 AM. THESE STORMS EXTENDED FROM ST MARTINS BAY NORTHWEST TO TROUT LAKE AND SOO JUNCTION. THE STORMS WERE MOVING TO THE NORTHEAST AT 40 MILES AN HOUR AND WILL BE NEAR DETOUR VILLAGE...THE LOWER ST MARYS RIVER SYSTEM AND SAULT STE MARIE AT 830 AM. PERSONS IN THE KINROSS-RUDYARD AREA...STRONGS... BRIMLEY... DAFTER...PICKFORD AND STALWART WILL ALL EXPERIENCE SOME THUNDERSTORM ACTIVITY THIS MORNING. THESE STORMS CONTAIN DANGEROUS LIGHTNING...SMALL HAIL AND MAY PRODUCE WIND GUSTS TO 30 MILES AN HOUR. IF YOU HEAR THUNDER...IT WOULD BE BEST TO REMAIN INDOORS OR WITHIN YOUR VEHICLE UNTIL THESE STORMS PASS. IF CAUGHT OUT OF DOORS... SEEK A SAFE BUILDING AND PROTECTION FROM LIGHTNING.
Special weather statement, Apr 15, 8:47 AM EDT, 1 hour 12 minutes before
MIZ022-028-034-035-040-041-151400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUGHTON LAKE MI 846 AM EDT FRI APR 1T 1994 ...THUNDERSTORMS WERE RAPIDLY APPROACHING NORTH CENTRAL LOWER MICHIGAN... AT 845 AM EDT...WEATHER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM AROUND GRAND RAPIDS NORTHEAST TO ABOUT 40 MILES NORTHWEST OF HOUGHTON LAKE. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 40 MPH AND WILL REACH THE WEST BORDERS OF CLARE AND ROSCOMMON COUNTIES BY 900 AM. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING LOCALLY HEAVY RAIN...DEADLY CLOUD TO GROUND LIGHTNING... WINDS GUSTS UP TO 45 MPH...AND SMALL HAIL AS THEY MOVE INTO THE REGION. WHEN YOU SEE A THUNDERSTORM APPROACHING...MOVE INDOORS AND STAY AWAY FROM WINDOWS. TO PROTECT YOURSELF FROM LIGHTNING STRIKES...REFRAIN FROM USING ELECTRICAL APPLIANCES DURING A THUNDERSTORM AND ONLY USE THE TELEPHONE WHEN IT IS AN EMERGENCY. HURLEY
Special weather statement, Apr 15, 9:37 AM EDT, 22 minutes before
MIZ016>019-023-024-029-030-036-042-509-514-151430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALPENA MI 935 AM EDT FRI APR 15 1994 ...THUNDERSTORMS WILL BE MOVING INTO PARTS OF NORTHEAST LOWER MICHIGAN LATE THIS MORNING... AT 930 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM HOUGHTON LAKE TO THE SOUTHWEST. THE LINE OF THUNDERSTORMS WAS MOVING TO THE NORTHEAST AT 40 MILES AN HOUR AND HAS HAD A HISTORY OF PRODUCING MARBLE SIZE HAIL AND HEAVY RAIN. BY 950 AM...THE LINE OF THUNDERSTORMS WILL MOVE TO NEAR LEWISTON IN SOUTHWEST MONTMORENCY COUNTY AND LUZERNE IN THE SOUTHWEST PART OF OSCODA COUNTY. BY 1010 AM THE THUNDERSTORMS WILL PASS THROUGH THE COMMUNITIES OF ATLANTA AND AND MIO. THESE THUNDERSTORMS WILL PRODUCE TORRENTIAL RAIN AND POSSIBLY SOME DAMAGING HAIL. THUNDERSTORMS CAN AND DO PRODUCE DEADLY LIGHTNING. IF THUNDERSTORMS APPROACH YOUR AREA TAKE SHELTER AND AVOID USING ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD ALSO BE ALERT FOR REDUCED VISIBILITIES IN AREAS OF HEAVY RAIN. HOLLINGSWORTH/WOOD
Special weather statement, Apr 15, 9:41 AM EDT, 18 minutes before
MIZ016>019-023-024-029-030-036-042-509-514-151430- SPECIAL WEATHER STATEMENT...CORRRECTION TO TYPO 2ND PARA... NATIONAL WEATHER SERVICE ALPENA MI 935 AM EDT FRI APR 15 1994 ...THUNDERSTORMS WILL BE MOVING INTO PARTS OF NORTHEAST LOWER MICHIGAN LATE THIS MORNING... AT 930 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM HOUGHTON LAKE TO THE SOUTHWEST. THE LINE OF THUNDERSTORMS WAS MOVING TO THE NORTHEAST AT 40 MILES AN HOUR AND HAS HAD A HISTORY OF PRODUCING MARBLE SIZE HAIL AND HEAVY RAIN. BY 950 AM...THE LINE OF THUNDERSTORMS WILL MOVE TO NEAR LEWISTON IN SOUTHWEST MONTMORENCY COUNTY AND LUZERNE IN THE SOUTHWEST PART OF OSCODA COUNTY. BY 1010 AM THE THUNDERSTORMS WILL PASS THROUGH THE COMMUNITIES OF ATLANTA AND MIO. THESE THUNDERSTORMS WILL PRODUCE TORRENTIAL RAIN AND POSSIBLY SOME DAMAGING HAIL. THUNDERSTORMS CAN AND DO PRODUCE DEADLY LIGHTNING. IF THUNDERSTORMS APPROACH YOUR AREA TAKE SHELTER AND AVOID USING ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD ALSO BE ALERT FOR REDUCED VISIBILITIES IN AREAS OF HEAVY RAIN. HOLLINGSWORTH/WOOD
Special weather statement, Apr 15, 9:46 AM EDT, 13 minutes before
MIZ007-008-015-151630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAULT STE MARIE MI 945 AM EDT FRI APR 15 1994 ...THUNDERSTORMS IN EAST UPPER MICHIGAN... AN LINE OF THUNDERSTORMS HAD MOVED INTO EASTERN PORTIONS OF EAST UPPER MICHIGAN AT 930 AM. THESE STORMS EXTENDED FROM SAULT STE MARIE TO ST IGNACE. THE STORMS WERE MOVING TO THE NORTHEAST AT 40 MILES AN HOUR AND WILL MOVE INTO CANADA BY 1030 AM. PERSONS IN THE KINROSS-RUDYARD AREA...STRONGS... BRIMLEY... DAFTER...PICKFORD AND STALWART WILL ALL EXPERIENCE SOME THUNDERSTORM ACTIVITY THIS MORNING. THESE STORMS CONTAIN DANGEROUS LIGHTNING...SMALL HAIL AND MAY PRODUCE WIND GUSTS TO 30 MILES AN HOUR. IF YOU HEAR THUNDER...IT WOULD BE BEST TO TAKE SHELTER INDOORS OR WITHIN YOUR VEHICLE UNTIL THESE STORMS PASS. IF CAUGHT OUT OF DOORS... SEEK A SAFE BUILDING AND PROTECTION FROM LIGHTNING. RAB
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 8:34 AM EDT | Severe Thunderstorm Warning | APX | Mecosta | 41 min |
| Apr 15, 9:07 AM EDT | Severe Thunderstorm Warning | APX | Osceola | 53 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.