Alert archive / Michigan / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 49, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Aug 19, 1994, 10:35 PM EDT for Alcona County, Iosco County, Michigan. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Aug 19, 1994, 10:35 PM EDT (02:35 UTC)
- Expired
- Aug 19, 1994, 11:30 PM EDT
- In force
- 55 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
Counties Alcona County, MI, Iosco County, MI
The nearest sounding before it
Detroit, MI (KFNT), launched 00:00Z, 2.6 hours before the alert went out and 199 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
- 1388 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 1124 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAPN 200234 RRA SVRAPN MIC001-069-MIZ509-200330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE ALPENA MI 1035 PM EDT FRI AUG 19 1994 THE NATIONAL WEATHER SERVICE IN ALPENA HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 1130 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST LOWER MICHIGAN ...SOUTHERN ALCONA COUNTY...NORTHERN IOSCO COUNTY AND FOR MARINE INTERESTS ON COASTAL WATERS FROM... ...HARRISVILLE TO OSCODA ...OSCODA TO TAWAS CITY AT 1025 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHEAST OF HALE...OR 20 MILES NORTHWEST OF OSCODA. THIS STORM WAS MOVING EAST AT AROUND 35 MPH AND WILL MOVE TO 5 MILES NORTH OF OSCODA BY 1055 PM...THEN MOVE OVER THE WATERS OF LAKE HURON BETWEEN GREENBUSH AND AU SABLE POINT BY 1110 PM. SEVERE THUNDERSTORMS PRODUCE DAMAGE TO STRUCTURES, DESTRUCTIVE HAIL, AND DEADLY LIGHTNING. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME. WOOD
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, Aug 19, 7:27 PM EDT, 3 hours 8 minutes before
MIZ007-008-200130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAULT STE MARIE MI 727 PM EDT FRI AUG 19 1994 ...STRONG THUNDERSTORM NORTH OF NEWBERRY... AT 725 PM A STRONG THUNDERSTORM WAS LOCATED OVER DEER PARK...OR ABOUT 25 MILES NORTH OF NEWBERRY...ON THE LAKE SUPERIOR SHORE IN LUCE COUNTY. THIS THUNDERSTORM WILL MOVE TO THE EAST AT ABOUT 25 MILES AN HOUR BRINGING IT JUST NORTH OF THE TAHQUAMENON FALLS STATE PARK BETWEEN 800 AND 830 PM THIS EVENING. THE STORM WILL PASS BETWEEN PARADISE AND WHITEFISH POINT AND INTO WHITEFISH BAY AROUND 900 PM THIS EVENING. THIS STORM CONTAINS VERY HEAVY RAIN...DANGEROUS LIGHTNING...SMALL HAIL AND GUSTY WINDS. CAMPERS NEAR THE LITTLE TWO HEARTED LAKES...BETSY AND SHEEPHEAD LAKES...ANDRUS LAKE AND THE WHITEFISH POINT ROAD SHOULD PREPARE FOR THIS STORM BY SEEKING SHELTER IN A STRONG REINFORCED BUILDING. L. WILLETTE
Special weather statement, Aug 19, 8:21 PM EDT, 2 hours 14 minutes before
MIZ007-008-200135- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAULT STE MARIE MI 821 PM EDT FRI AUG 19 1994 ...STRONG THUNDERSTORM HAS MOVED INTO LAKE SUPERIOR... AT 820 PM THE STRONG THUNDERSTORM THAT WAS ON THE LAKE SUPERIOR SHORELINE OF LUCE AND CHIPPEWA COUNTIES HAS MOVED INTO LAKE SUPERIOR NORTH OF WHITEFISH POINT. THIS STORM NO LONGER PRESENTS A DANGER TO PERSONS NEAR TAHQUAMENON FALLS...PARADISE OR WHITEFISH POINT. OTHER THUNDERSTORMS ARE POSSIBLE LATER TONIGHT IN EAST UPPER MICHIGAN. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION. L. WILLETTE
Special weather statement, Aug 19, 8:24 PM EDT, 2 hours 11 minutes before
MIZ040-041-200130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUGHTON LAKE MI 824 PM EDT FRI AUG 19 1994 ...THUNDERSTORMS MOVING THROUGH NORTH CLARE COUNTY... AT 820 PM EDT WEATHER RADAR INDICATED A STRONG THUNDERSTORM OVER NORTHERN CLARE 3 MILES SOUTH OF THE CLARE AND ROSCOMMON COUNTY LINE... ABOUT 7 MILES NORTH OF THE TOWN OF HARRISON. THIS THUNDERSTORM WAS MOVING TO THE EAST AT 35 MPH AND WILL PASS OVER THE TOWN OF MEREDITH... ON THE CLARE AND GLADWIN COUNTY LINES BY 835 PM EDT. PERSONS BETWEEN THE TOWNS OF LEOTA IN CLARE COUNTY AND MEREDITH IN NORTHWEST GLADWIN COUNTY SHOULD MOVE INDOORS IMMEDIATELY...STAY AWAY FROM DOORS AND WINDOWS AND ONLY USE THE TELEPHONE IN AN EMERGENCY. THIS THUNDERSTORM WILL PRODUCE SMALL HAIL...STRONG GUSTY WINDS...BRIEF HEAVY RAINS AND FREQUENT DEADLY LIGHTNING AS IT PASSES OVERHEAD. KEITH NNNN
Special weather statement, Aug 19, 10:02 PM EDT, 33 minutes before
MIZ028-034-035-040-041-200300-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUGHTON LAKE MI
1002 PM EDT FRI AUG 19 1994
...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF NORTH CENTRAL LOWER
MICHIGAN UNTIL 300 AM...
A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 300 AM EDT SATURDAY
MORNING FOR PERSONS IN THE FOLLOWING COUNTIES IN NORTH CENTRAL LOWER
MICHIGAN...
CLARE COUNTY...COMMUNITIES IN AND AROUND CLARE...HARRISON...LAKE AND
FARWELL.
GLADWIN COUNTY...COMMUNITIES OF GLADWIN...BEAVERTON AND SKEELS.
ROSCOMMON COUNTY...COMMUNITIES OF HOUGHTON LAKE...HIGGINS LAKE...
ROSCOMMON AND ST. HELENS.
OGEMAW COUNTY...COMMUNITIES OF ROSE CITY AND WEST BRANCH.
CRAWFORD COUNTY...COMMUNITIES OF GRAYLING...FREDERIC AND LOVELLS.
AT 1000 PM EDT WEATHER RADAR INDICATED A LARGE AREA OF THUNDERSTORMS
PRODUCING HEAVY RAINS...SMALL HAIL AND STRONG GUSTY WINDS OVER THE WATCH
AREA ALONG WITH FREQUENT DEADLY LIGHTNING...BUT NO SEVERE WEATHER WAS
BEING REPORTED AT THAT TIME.
A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE RIGHT FOR THE FORMATION
OF SEVERE THUNDERSTORMS WHICH PRODUCE WINDS IN EXCESS OF 55 MPH...LARGE
HAIL...TORRENTIAL RAINS AND DEADLY LIGHTNING. PERSONS IN THE WATCH AREA
ARE STRONGLY URGED TO MONITOR LOCAL TELEVSION AND RADIO STATIONS FOR THE
LATEST UPDATES...STATEMENTS AND POSSIBLE WARNINGS ON THESE STORMS.
KEITH DICKS
NNNNSpecial weather statement, Aug 19, 10:05 PM EDT, 30 minutes before
MIZ029-030-036-042-509-190405- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALPENA MI 1005 PM EDT FRI AUG 19 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHEAST LOWER MICHIGAN UNTIL 300 AM EDT... A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 300 AM EDT FOR OSCODA ...ALCONA...IOSCO AND ARENAC COUNTIES IN NORTHEAST LOWER MICHIGAN... INCLUDING THE ADJACENT COASTAL WATERS. THIS WATCH INCLUDES THE COMMUNITIES OF MIO...HARRISVILLE...EAST TAWAS...HALE AND STANDISH. AT 1000 PM...A FEW THUNDERSTORMS WERE LOCATED FROM 5 MILES EAST OF BLACK RIVER OVER THE WATERS OF LAKE HURON...AND A LINE OF THUNDERSTORMS FROM OVER HOUGHTON LAKE EAST TO HALE. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 35 MPH. THUNDERSTORMS OVER HALE WILL MOVE TO NEAR OSCODA BY 1040 PM...OTHERWISE SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP AND MOVE EAST TO PARTS NORTHERN LOWER MICHIGAN THROUGH MIDNIGHT. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR DEVELOPMENT OF SEVERE THUNDERSTORMS WHICH CAN PRODUCE WINDS OF 58 MPH OR GREATER...LARGE HAIL ...FREQUENT LIGHTNING AND HEAVY RAIN THAT CAN QUICKLY FLOOD A LOW LYING AREA. WOOD
Special weather statement, Aug 19, 10:12 PM EDT, 23 minutes before
MIZ029-030-036-042-509-190405- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALPENA MI 1005 PM EDT FRI AUG 19 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHEAST LOWER MICHIGAN UNTIL 300 AM EDT... A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 300 AM EDT FOR OSCODA ...ALCONA...IOSCO AND ARENAC COUNTIES IN NORTHEAST LOWER MICHIGAN... INCLUDING THE ADJACENT COASTAL WATERS. THIS WATCH INCLUDES THE COMMUNITIES OF MIO...HARRISVILLE...EAST TAWAS...HALE AND STANDISH. AT 1000 PM...A FEW THUNDERSTORMS WERE LOCATED FROM 5 MILES EAST OF BLACK RIVER OVER THE WATERS OF LAKE HURON...AND A LINE OF THUNDERSTORMS FROM OVER HOUGHTON LAKE EAST TO HALE. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 35 MPH. THUNDERSTORMS OVER HALE WILL MOVE TO NEAR OSCODA BY 1040 PM...OTHERWISE SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP AND MOVE EAST TO PARTS NORTHERN LOWER MICHIGAN THROUGH MIDNIGHT. A SEVERE THUNDERSTORM WATCH MEANVS CONDITIONS ARE FAVORABLE FOR DEVELOPMENT OF SEVERE THUNDERSTORMS WHICH CAN PRODUCE WINDS OF 58 MPH OR GREATER...LARGE HAIL ...FREQUENT LIGHTNING AND HEAVY RAIN THAT CAN QUICKLY FLOOD A LOW LYING AREA. WOOD
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 8:56 PM EDT | Severe Thunderstorm Warning | APX | Muskegon, Newaygo | 49 min |
| Aug 19, 9:23 PM EDT | Severe Thunderstorm Warning | APX | Mecosta | 52 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.