Alert archive / Michigan / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 4, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Apr 24, 1993, 6:55 PM EDT for Alpena County, Michigan. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Apr 24, 1993, 6:55 PM EDT (22:55 UTC)
- Expired
- Apr 24, 1993, 7:45 PM EDT
- In force
- 50 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
County Alpena County, MI
The nearest sounding before it
Sault Ste Marie, MI (KY62), launched 12:00Z, 10.9 hours before the alert went out and 169 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
- 1741 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KAPN 242256 RRA SVRAPN MIC007-MIZ509-242345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE ALPENA MI 655 PM EDT SAT APR 24 1993 THE NATIONAL WEATHER SERVICE IN ALPENA HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 745 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST LOWER MICHIGAN ...ALPENA COUNTY AND FOR MARINE INTERESTS ON COASTAL WATERS FROM... ...MIDDLE ISLAND TO ALPENA AT 655 PM... NATIONAL WEATHER SERVICE RADAR IN ALPENA INDICATED A SEVERE THUNDERSTORM BETWEEN ATLANTA AND HILLMAN... AROUND 30 MILES WEST OF ALPENA. THIS STORM WAS MOVING TO THE EAST AT 35 MILES AN HOUR... AND WILL BE PASSING NEAR LACHINE AT AROUND 715 PM... AND JUST NORTH OF ALPENA AROUND 730 PM. WEATHER SPOTTERS NEAR LEWISTON REPORTED DIME SIZE HAIL WITH THIS STORM AS IT PASSED NEAR LEWISTON AT 630 PM. 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. CAMPBELL &
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 24, 5:51 PM EDT, 1 hour 4 minutes before
MIZ069-070-083-242150- SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST NATIONAL WEATHER SERVICE SAULT STE MARIE MI 550 PM EDT SUN APR 24 1993 ...MACKINAC BRIDGE TO SEE THUNDERSTORMS 6PM UNTIL 630 PM... AT 540 PM RADAR CONFIRMED STROUNG THUNDERSTORMS BETWEEN BEAVER ISLAND AND CROSS VILLAGE MOVING NORTHEAST AT 20 MPH. WEATHER ASSOCIATED WITH THESE THUNDERSTORMS CONSIST OF DANGEROUS LIGHTNING...1/4 INCH HAIL AND WIND GUSTS TO 45 MPH. PERSONS TRAVELING THE MACKINAC BRIDGE SHOULD SLOW THEIR SPEED OR DELAY TRAVELING OVER THE BRIDGE UNTIL THUNDERSTORM ACTIVITY IS OVER. THE REMAINDER OF THE UPPER PENINSULA WILL SEE A FEW SHOWERS THIS EVENING AND STEADY TEMPERATURES AROUND 40 DEGREES. WINDS WILL BE SOUTHEAST 15 TO 25 MPH. KESSLER
Special weather statement, Apr 24, 6:02 PM EDT, 53 minutes before
MIZ069-070-083-242230- SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST...CORRECTED NATIONAL WEATHER SERVICE SAULT STE MARIE MI 602 PM EDT SUN APR 24 1993 ...MACKINAC BRIDGE TO SEE THUNDERSTORMS 6PM UNTIL 630 PM... AT 540 PM RADAR CONFIRMED STROUNG THUNDERSTORMS BETWEEN BEAVER ISLAND AND CROSS VILLAGE MOVING NORTHEAST AT 20 MPH. WEATHER ASSOCIATED WITH THESE THUNDERSTORMS CONSIST OF DANGEROUS LIGHTNING...1/4 INCH HAIL AND WIND GUSTS TO 45 MPH. PERSONS TRAVELING THE MACKINAC BRIDGE SHOULD SLOW THEIR SPEED OR DELAY TRAVELING OVER THE BRIDGE UNTIL THUNDERSTORM ACTIVITY IS OVER. THE REMAINDER OF THE UPPER PENINSULA WILL SEE A FEW SHOWERS THIS EVENING AND STEADY TEMPERATURES AROUND 40 DEGREES. WINDS WILL BE SOUTHEAST 15 TO 25 MPH. KESSLER
Special weather statement, Apr 24, 6:02 PM EDT, 53 minutes before
MIZ069-070-083-242230- SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST...CORRECTED NATIONAL WEATHER SERVICE SAULT STE MARIE MI 602 PM EDT SUN APR 24 1993 ...MACKINAC BRIDGE TO SEE THUNDERSTORMS 6PM UNTIL 630 PM... AT 540 PM RADAR CONFIRMED STROUNG THUNDERSTORMS BETWEEN BEAVER ISLAND AND CROSS VILLAGE MOVING NORTHEAST AT 20 MPH. WEATHER ASSOCIATED WITH THESE THUNDERSTORMS CONSIST OF DANGEROUS LIGHTNING...1/4 INCH HAIL AND WIND GUSTS TO 45 MPH. PERSONS TRAVELING THE MACKINAC BRIDGE SHOULD SLOW THEIR SPEED OR DELAY TRAVELING OVER THE BRIDGE UNTIL THUNDERSTORM ACTIVITY IS OVER. THE REMAINDER OF THE UPPER PENINSULA WILL SEE A FEW SHOWERS THIS EVENING AND STEADY TEMPERATURES AROUND 40 DEGREES. WINDS WILL BE SOUTHEAST 15 TO 25 MPH. KESSLER
Special weather statement, Apr 24, 6:06 PM EDT, 49 minutes before
MIZ039-048-060>062-064>068-509-514-250000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALPENA MI 607 PM EDT TUE APR 20 1993 ...THUNDERSTORMS CONTINUE TO MOVE ACROSS EXTREME NORTHERN LOWER MICHIGAN... AT 605 PM...SHOWERS AND A FEW THUNDERSTORMS CONTINUED TO MOVE ACROSS EXTREME NORTHERN LOWER MICHIGAN. ONE STRONG THUNDERSTORM WAS LOCATED NEAR BOYNE FALLS... AROUND 45 MILES TO SOUTH OF THE MACKINAC BRIDGE. THIS THUNDERSTORM WAS MOVING TO THE NORTHEAST AT AROUND 35 MILES AN HOUR... AND WILL MOVE CLOSE TO INDIAN RIVER BY 630 PM... AND NEAR CHEBOYGAN BY 650 PM. SMALL HAIL AND GUSTY WINDS MAY ACCOMPANY THIS STORM AS IT PASSES OVERHEAD. IF YOU LIVE AROUND WOLVERINE... INDIAN RIVER... OR CHEBOYGAN... SEEK SHELTER IN A STURDY BUILDING. ALL THUNDERSTORMS POSE A LIGHTNING HAZARD TO THOSE THAT ARE OUTDOORS. CAMPBELL
Special weather statement, Apr 24, 6:11 PM EDT, 44 minutes before
MIZ039-048-060>062-064>068-509-514-250100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALPENA MI 6050 PM EDT TUE APR 20 1993 ...THUNDERSTORMS WERE MOVING INTO NORTHEAST LOWER MICHIGAN... AT 6050 PM...SHOWERS AND A FEW THUNDERSTORMS WERE MOVING INTO NORTHEAST LOWER MICHIGAN. THE STORMS WERE 65 MILES SOUTHWEST OF ALPENA AND WERE MOVING NORTHEAST AT AROUND 35 MILES AN HOUR. THE THUNDERSTORMS WILL REACH NORHEAST LOWER MICHIGAN NEAR THE TOWNS OF MIO AND LUZERNE BY 630 PM. THEY WILL REACH FAIRVIEW AND COMINS BETWEEN 630 AND 700 PM. FREQUENT LIGHTNING...GUSTY WINDS AND HEAVY RAIN WILL ACCOMPANY THESE STORMS AS THEY PASS THROUGH THE AREA. IF YOU LIVE AROUND MIO...LUZERNE...FAIRVIEW AND COMINS...BE ALERT FOR THE THUNDERSTORMS...STAY INDOORS AND STAY AWAYS FROM WINDOWS. DS
Special weather statement, Apr 24, 6:25 PM EDT, 30 minutes before
MIZ039-048-060>062-064>068-509-514-250100- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE ALPENA MI 625 PM EDT TUE APR 20 1993 ...THUNDERSTORMS WERE MOVING INTO NORTHEAST LOWER MICHIGAN... AT 550 PM...SHOWERS AND A FEW THUNDERSTORMS WERE MOVING INTO NORTHEAST LOWER MICHIGAN. THE STORMS WERE 65 MILES SOUTHWEST OF ALPENA AND WERE MOVING NORTHEAST AT AROUND 35 MILES AN HOUR. THE THUNDERSTORMS WILL REACH NORTHEAST LOWER MICHIGAN NEAR THE TOWNS OF MIO AND LUZERNE BY 630 PM. THEY WILL REACH FAIRVIEW AND COMINS BETWEEN 630 AND 700 PM. FREQUENT LIGHTNING...GUSTY WINDS AND HEAVY RAIN WILL ACCOMPANY THESE STORMS AS THEY PASS THROUGH THE AREA. IF YOU LIVE AROUND MIO...LUZBERNE...FAIRVIEW AND COMINS...BE ALERT FOR THE THUNDERSTORMS...STAY INDOORS AND STAY AWAYS FROM WINDOWS. DS ...CORRECTION DUE TO TYPO...
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 4:55 PM EDT | Severe Thunderstorm Warning | APX | Grand Traverse | 65 min |
| Apr 24, 6:02 PM EDT | Severe Thunderstorm Warning | APX | Missaukee | 58 min |
| Apr 24, 6:25 PM EDT | Severe Thunderstorm Warning | APX | Montmorency | 50 min |
| Apr 24, 7:41 PM EDT | Severe Thunderstorm Warning | APX | Iosco | 49 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 1993Every severe thunderstorm warning in 1993
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.