Alert archive / Michigan / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 13, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jul 9, 1993, 5:04 PM EDT for Huron County, Sanilac County, Michigan. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Jul 9, 1993, 5:04 PM EDT (21:04 UTC)
- Expired
- Jul 9, 1993, 5:45 PM EDT
- In force
- 41 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
Counties Huron County, MI, Sanilac County, MI
The nearest sounding before it
Detroit, MI (KFNT), launched 12:00Z, 9.1 hours before the alert went out and 120 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
- 159 J/kg
- Mixed-layer CIN
- -199 J/kg
- Mixed-layer LCL
- 1165 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 121 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 KFNT 092104 RRA
SVRFNT
MIC063-151-092145-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FLINT MI
504 PM EDT FRI JUL 9 1993
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 545 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE EAST CENTRAL PART OF LOWER MICHIGAN
EASTERN HURON...NORTHERN SANILAC
AT 501 PM EDT...RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM
NEAR HARBOR BEACH...94 MILES NORTHEAST OF SAGINAW. AT 450 PM EDT...
A SPOTTER REPORTED 60 MPH WINDS NEAR HARBOR BEACH. OTHER POSSIBLE
SEVERE STORMS WERE LOCATED NEAR BAD AXE...61 MILES NORTHEAST OF
SAGINAW AND NEAR CUMBER...55 MILES NORTH NORTHEAST OF FLINT.
MOVEMENT OF THESE STORMS WAS EAST AT 35 MPH. BY 520 PM EDT...THE
STORMS WILL BE OVER MINDEN AND WHITE ROCK.
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING. PERSONS IN THE WARNING AREA SHOULD GET
INTO A REINFORCED SHELTER AND PREPARE FOR STRONG WINDS...LARGE HAIL...
VERY HEAVY RAIN AND DEADLY LIGHTNING.
HELGESONWhat 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 9, 4:38 PM EDT, 26 minutes before
STORM REPORT NATIONAL WEATHER SERVICE FLINT MI 440 PM EDT FRI JUL 9 1993 ...REPORTS BELOW ARE FOR SEVERE WEATHER FROM FRI JULY 9 1993... TIME(EDT) COUNTY DESCRIPTION OF EVENT 1634 EDT GEHNESEE SPOTTER REPORT OF 58 MPH WIND IN DOWNTOWN FLINT MJN
Local storm report, Jul 9, 4:40 PM EDT, 24 minutes before
STORM REPORT NATIONAL WEATHER SERVICE FLINT MI 440 PM EDT FRI JUL 9 1993 ...REPORTS BELOW ARE FOR SEVERE WEATHER FROM FRI JULY 9 1993... TIME(EDT) COUNTY DESCRIPTION OF EVENT 1634 EDT GENESEE SPOTTER REPORT OF 58 MPH WIND IN DOWNTOWN FLINT MJN
Special weather statement, Jul 9, 4:50 PM EDT, 14 minutes before
MIZALL-092300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 450 PM EDT FRI JUL 9 1993 ...TORNADO WATCH IS IN EFFECT FOR MUCH OF EAST CENTRAL AND SOUTHERN LOWER MICHIGAN UNTIL 1000 PM EDT... A TORNADO WATCH HAS BEEN ISSUED FOR MUCH OF EACH CENTRAL AND SOUTHERN LOWER MICHIGAN UNTIL 1000 PM EDT. THIS WATCH INCLUDES THE CITIES OF SAGINAW... MIDLAND... BATTLE CREEK... BENTON HARBOR... JACKSON... GRAND RAPIDS... LANSING... FLINT... ANN ARBOR... AND ALL OF THE METROPOLITAN DETROIT AREA. AT 445 PM EDT... A LINE OF STRONG TO SEVERE THUNDERSTORMS WAS FROM THE TIP OF THE THUMB SOUTHWEST ACROSS FLINT TO BATTLE CREEK. A SPOTTER IN FLINT REPORTED A WIND GUST TO 58 MPH WITH THE THUNDERSTORMS THAT WERE MOVING THROUGH THE FLINT AREA. THE STORMS WERE MOVING EAST AT ABOUT 40 MPH AND WILL AFFECT THE PORT HURON... NORTHERN DETROIT SUBURBS...ANN ARBOR AND HILLSDALE AREAS BETWEEN 600 AND 700 PM EDT. A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR TORNADO AND SEVERE THUNDERSTORM DEVELOPMENT IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE PATH OF THESE THUNDERSTORMS SHOULD KEEP AN EYE TO THE SKY... AND BE PREPARED TO MOVE QUICKLY TO A PLACE OF SAFETY. STAY TUNED TO NATIONAL WEATHER SERVICE WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER INFORMATION ON THIS DEVELOPING SEVERE WEATHER SITUATION. DJN/ED F
Special weather statement, Jul 9, 4:52 PM EDT, 12 minutes before
MIZALL-092300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 450 PM EDT FRI JUL 9 1993 ...TORNADO WATCH IS IN EFFECT FOR MUCH OF EAST CENTRAL AND SOUTHERN LOWER MICHIGAN UNTIL 1000 PM EDT... A TORNADO WATCH HAS BEEN ISSUED FOR MUCH OF EACH CENTRAL AND SOUTHERN LOWER MICHIGAN UNTIL 1000 PM EDT. THIS WATCH INCLUDES THE CITIES OF SAGINAW... MIDLAND... BATTLE CREEK... BENTON HARBOR... JACKSON... GRAND RAPIDS... LANSING... FLINT... ANN ARBOR... AND ALL OF THE METROPOLITAN DETROIT AREA. AT 445 PM EDT... A LINE OF STRONG TO SEVERE THUNDERSTORMS WAS FROM THE TIP OF THE THUMB SOUTHWEST ACROSS FLINT TO BATTLE CREEK. A SPOTTER IN FLINT REPORTED A WIND GUST TO 58 MPH WITH THE THUNDERSTORMS THAT WERE MOVING THROUGH THE FLINT AREA. THE STORMS WERE MOVING EAST AT ABOUT 40 MPH AND WILL AFFECT THE PORT HURON... NORTHERN DETROIT SUBURBS...ANN ARBOR AND HILLSDALE AREAS BETWEEN 600 AND 700 PM EDT. A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR TORNADO AND SEVERE THUNDERSTORM DEVELOPMENT IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE PATH OF THESE THUNDERSTORMS SHOULD KEEP AN EYE TO THE SKY... AND BE PREPARED TO MOVE QUICKLY TO A PLACE OF SAFETY. STAY TUNED TO NATIONAL WEATHER SERVICE WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER INFORMATION ON THIS DEVELOPING SEVERE WEATHER SITUATION. DJN/ED F
Special weather statement, Jul 9, 5:00 PM EDT, 4 minutes before
MIZ019-021-024-027>030-035-092215- SPECIAL WEATHER STATEMENT...CORRECTION FOR DATE NATIONAL WEATHER SERVICE DETROIT MI 500 PM EDT FRI JUL 9 1993 ...THUNDERSTORMS WILL MOVE INTO PARTS OF SOUTHEAST LOWER MICHIGAN BETWEEN 5 AND 6 PM... A TORNADO WATCH IS IN EFFECT FOR ALL OF SOUTHEAST LOWER MICHIGAN UNTIL 10 PM EDT. THE WATCH INCLUDES THE COUNTIES OF WAYNE...OAKLAND ...MACOMB...WASHTENAW...MONROE...LENAWEE...LIVINGSTON...AND ST CLAIR AS WELL AS ADJOINING WATERS. CITIES INCLUDED IN THE WATCH ARE DETROIT...PONTIAC...MT CLEMENS...ANN ARBOR...MONROE...ADRIAN... HOWELL...AND PORT HURON. AT 453 PM EDT...THUNDERSTORMS WERE LOCATED FROM THE THUMB AREA... NEAR PORT SANILAC....SOUTHWEST TO NEAR FLINT...THEN TO JUST SOUTH OF BATTLE CREEK. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR. . BY 6 PM...THE THUNDERSTORMS WILL BE LOCATED FROM JUST NORTH OF PORT HURON...53 MILES NORTHEAST OF DOWNTOWN DETROIT...TO HOLLY...41 MILES NORTHWEST OF DOWNTOWN DETROIT...THEN TO HOWELL AND GREGORY IN LIVINGSTON COUNTY...50 MILES WEST-NORTHWEST OF DOWNTOWN DETROIT. RADAR INDICATED THE STRONG THUNDERSTORM MOVING INTO THE NORTHWEST TIP OF LIVINGSTON COUNTY...NORTH OF FOWLERVILLE. THE THUNDERSTORMS WILL PRODUCE DAMAGING WINDS...DEADLY CLOUD TO GROUND LIGHTNING...AND TORRENTIAL RAIN AS THEY MOVE THROUGH. TORNADOES AND LARGE HAIL ARE ALSO POSSIBLE. PERSONS IN SOUTHEAST LOWER MICHIGAN SHOULD BE ON THE LOOKOUT FOR RAPIDLY DEVELOPING THUNDERSTORMS THIS LATE AFTERNOON AND EVENING AND BE PREPARED TO HEAD TO A PLACE OF SAFETY ON QUICK NOTICE. STAY TUNED TO NOAA WEATHER STATION KEC-63...OR TO LOCAL TV AND RADIO STATIONS...FOR LATER STATEMENTS AND POSSIBLE WARNINGS. RIDDLE
Special weather statement, Jul 9, 5:04 PM EDT, 0 minutes before
MIZ019-021-024-027>030-035-092215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT MI 500 PM EDT THU JUL 8 1993 ...THUNDERSTORMS WILL MOVE INTO PARTS OF SOUTHEAST LOWER MICHIGAN BETWEEN 5 AND 6 PM... A TORNADO WATCH IS IN EFFECT FOR ALL OF SOUTHEAST LOWER MICHIGAN UNTIL 10 PM EDT. THE WATCH INCLUDES THE COUNTIES OF WAYNE...OAKLAND ...MACOMB...WASHTENAW...MONROE...LENAWEE...LIVINGSTON...AND ST CLAIR AS WELL AS ADJOINING WATERS. CITIES INCLUDED IN THE WATCH ARE DETROIT...PONTIAC...MT CLEMENS...ANN ARBOR...MONROE...ADRIAN... HOWELL...AND PORT HURON. AT 453 PM EDT...THUNDERSTORMS WERE LOCATED FROM THE THUMB AREA... NEAR PORT SANILAC....SOUTHWEST TO NEAR FLINT...THEN TO JUST SOUTH OF BATTLE CREEK. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR. . BY 6 PM...THE THUNDERSTORMS WILL BE LOCATED FROM JUST NORTH OF PORT HURON...53 MILES NORTHEAST OF DOWNTOWN DETROIT...TO HOLLY...41 MILES NORTHWEST OF DOWNTOWN DETROIT...THEN TO HOWELL AND GREGORY IN LIVINGSTON COUNTY...50 MILES WEST-NORTHWEST OF DOWNTOWN DETROIT. RADAR INDICATED THE STRONG THUNDERSTORM MOVING INTO THE NORTHWEST TIP OF LIVINGSTON COUNTY...NORTH OF FOWLERVILLE. THE THUNDERSTORMS WILL PRODUCE DAMAGING WINDS...DEADLY CLOUD TO GROUND LIGHTNING...AND TORRENTIAL RAIN AS THEY MOVE THROUGH. TORNADOES AND LARGE HAIL ARE ALSO POSSIBLE. PERSONS IN SOUTHEAST LOWER MICHIGAN SHOULD BE ON THE LOOKOUT FOR RAPIDLY DEVELOPING THUNDERSTORMS THIS LATE AFTERNOON AND EVENING AND BE PREPARED TO HEAD TO A PLACE OF SAFETY ON QUICK NOTICE. STAY TUNED TO NOAA WEATHER STATION KEC-63...OR TO LOCAL TV AND RADIO STATIONS...FOR LATER STATEMENTS AND POSSIBLE WARNINGS. RIDDLE
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 4:30 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Lapeer | 30 min |
| Jul 9, 4:58 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Lapeer | 37 min |
| Jul 9, 5:35 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 40 min |
| Jul 9, 6:36 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 54 min |
| Jul 9, 6:41 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 49 min |
| Jul 9, 6:44 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 46 min |
| Jul 9, 6:53 PM EDT | Severe Thunderstorm Warning | DTX | Oakland, Wayne | 52 min |
| Jul 9, 7:29 PM EDT | Severe Thunderstorm Warning | DTX | Macomb | 31 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.