Alert archive / Michigan / Tornado Warnings in 1991
Tornado Warning 3, NWS Detroit, MI
NWS Detroit, MI issued this tornado warning at May 24, 1991, 12:34 PM EDT for Oakland County, Michigan. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- May 24, 1991, 12:34 PM EDT (16:34 UTC)
- Expired
- May 24, 1991, 1:00 PM EDT
- In force
- 26 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
County Oakland County, MI
The nearest sounding before it
Detroit, MI (KFNT), launched 12:00Z, 4.6 hours before the alert went out and 8 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
- 650 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 925 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 38 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 KDTW 241634
TORDTW
MIC125-241700-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT MI
1234 PM EDT FRI MAY 24 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 100 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE SOUTHEAST PART OF LOWER MICHIGAN
OAKLAND
AT 1225 PM EDT...RADAR INDICATED A TORNADO NEAR WATERFORD...31
MILES NORTHWEST OF DOWNTOWN DETROIT IN WEST CENTRAL OAKLAND COUNTY.
MOVEMENT WAS NORTHEAST AT 30 MILES AN HOUR.
PEOPLE IN THE CITIES OF WATERFORD...CLARKSTON AND OXFORD SHOULD
TAKE COVER NOW!
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE TO BE IS IN
A BASEMENT. GET' UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...FIND SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.
ZALESKIWhat forecasters said that day
The local office's own words before this tornado 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, May 24, 10:50 AM EDT, 1 hour 44 minutes before
MIZ019>035-241550- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DETROIT MI 1049 AM EDT FRI MAY 24 1991 ...INTENSE THUNDERSTORMS OVER EXTREME SOUTHEASTLOWER MICHIGAN... AT 1028 AM...A CLUSTER OF INTENSE THUNDERSTORMS...A FEW PRODUCING VERY HEAVY RAIN...PEA SIZE HAIL...DANGEROUS LIGHTNING AND STRONG GUSTY WINDS ...WAS OVER EXTREME SOUTHERN LOWER MICHIGAN. MOST OF THESE STORMS EXTENDED FROM JACKSON MICHIGAN SOUTHEAST TO NEAR TOLEDO OHIO. THESE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR AND WILL BE ENTERING THE SOUTHWEST DETROIT METROPOLITAN AREA BY 1100 AM ...AND OVER THE ENTIRE METROPOLITAN AREA BY 1230 PM. THESE STORMS WERE PART OF A MUCH LARGER AREA OF SHOWERS AND THUNDERSTORMS THAT COVERED PARTS OF LOWER MICHIGAN...NORTHWEST OHIO AND NORTHEAST INDIANA. . MOST OF THE SHOWERS AND THUNDERSTORMS EXTENDED FROM DAYTON OHIO NORTHWEST TO GRAND RAPIDS MICHIGAN. MOVEMENT WAS NORTHEAST AT 30 MIPLES AN HOUR. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST NATIONAL WEATHER SERVICE STATEMENTS AND WARNINGS. ZALESKI
Special weather statement, May 24, 10:56 AM EDT, 1 hour 38 minutes before
MIZ019>035-241550- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...TYPO CORRECTION NATIONAL WEATHER SERVICE DETROIT MI 1049 AM EDT FRI MAY 24 1991 ...INTENSE THUNDERSTORMS OVER EXTREME SOUTHEAST LOWER MICHIGAN... AT 1028 AM...A CLUSTER OF INTENSE THUNDERSTORMS...A FEW PRODUCING VERY HEAVY RAIN...PEA SIZE HAIL...DANGEROUS LIGHTNING AND STRONG GUSTY WINDS ...WAS OVER EXTREME SOUTHERN LOWER MICHIGAN. MOST OF THESE STORMS EXTENDED FROM JACKSON MICHIGAN SOUTHEAST TO NEAR TOLEDO OHIO. THESE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR AND WILL BE ENTERING THE SOUTHWEST DETROIT METROPOLITAN AREA BY 1100 AM ...AND OVER THE ENTIRE METROPOLITAN AREA BY 1230 PM. THESE STORMS WERE PART OF A MUCH LARGER AREA OF SHOWERS AND THUNDERSTORMS THAT COVERED PARTS OF LOWER MICHIGAN...NORTHWEST OHIO AND NORTHEAST INDIANA. . MOST OF THE SHOWERS AND THUNDERSTORMS EXTENDED FROM DAYTON OHIO NORTHWEST TO GRAND RAPIDS MICHIGAN. MOVEMENT^ WAS NORTHEAST AT 30 MILES AN HOUR. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST NATIONAL WEATHER SERVICE STATEMENTS AND WARNINGS. ZALESKI
Special weather statement, May 24, 11:11 AM EDT, 1 hour 23 minutes before
MIZ026-031>034-036>038-042-241630- SPECIAL WEATHER STATEMENT AND SHORT-RANGE WEATHER FORECAST NATIONAL WEATHER SERVICE FLINT MI 1110 AM EDT FRI MAY 24 1991 PARTLY SUNNY...WARM AND HUMID CONDITIONS WERE THE RULE ACROSS EAST CENTRAL MICHIGAN LATE THIS MORNING. TEMPERATURES WERE NEAR 80 DEGREES AT 11 AM...EVEN NEAR THE COLD WATERS OF LAKE HURON. THUNDERSTORMS WERE PROGRESSING EAST ACROSS CENTRAL LOWER MICHIGAN LATE THIS MORNING. AT 11 AM...A LINE OF SCATTERED THUNDERSTORMS EXTENDED FROM ABOUT 50 MILES NORTH OF LANSING TO THE JACKSON AREA. STRONG STORMS...CONTAINING HEAVY RAIN AND DANGEROUS LIGHTNING...WERE FROM 15 TO 30 MILES SOUTHEAST OF LANSING AT 1108 AM. THE STORMS WERE MOVING NORTHEAST AT ABOUT 30 MPH. THUNDERSTORMS WILL MOVE INTO SOUTHEAST SHIAWASSEE COUNTY AND EASTERN MIDLAND COUNTY...INCLUDING THE TOWN OF BANCROFT....BY 1230 PM. GENESEE AND LAPEER COUNTIES...INCLUDING FLINT...WILL LIKELY BE AFFECTED BETWEEN NOON AND 2 PM. ANpY OF THESE THUNDERSTORMS COULD CONTAIN HEAVY DOWNPOURS...SMALL HAIL...AND STRONG WINDS. STAY TUNED TO NATIONAL WEATHER SERVICE RADIO FOR THE LATEST STATEMENTS ON THESE DEVELOPING STORMS. YORK
Special weather statement, May 24, 11:49 AM EDT, 45 minutes before
MIZALL-242200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ANN ARBOR MI 1145 AM EDT FRI MAY 24 1991 ...SEVERE WEATHER POTENTIAL STATEMENT FOR MICHIGAN... THUNDERSTORMS ARE LIKELY ACROSS MICHIGAN THIS AFTERNOON. SCATTERED THUNDERSTORMS WILL CONTINUE ACROSS LOWER MICHIGAN THIS EVENING. MANY OF THE STORMS ACROSS LOWER MICHIGAN THIS AFTERNOON COULD PRODUCE WIND GUSTS UP TO 45 MPH AND HAIL AS LARGE AS A HALF INCH IN DIAMETER. OVER SOUTHEAST LOWER MICHIGAN...ISOLATED WIND GUSTS OF 50 TO 60 MPH ARE POSSIBLE THIS AFTERNOON IN THUNDERSTORMS. DWD
Special weather statement, May 24, 12:02 PM EDT, 32 minutes before
MIZ031-032-241700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLINT MI 1200 PM EDT FRI MAY 24 1991 ...STRONG THUNDERSTORMS WERE MOVING ACROSS SOUTHERN GENESEE COUNTY... AT 12 NOON...WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS WITH HEAVY RAIN AND POSSIBLY SMALL HAIL EXTENDING FROM JUST SOUTHWEST OF FLINT TO ABOUT 50 MILES SOUTH OF FLINT. HEAVY RAIN WAS REPORTED IN LINDEN...15 MILES SOUTHWEST OF FLINT...AT NOON. THE STORMS WERE MOVING NORTHEAST AT ABOUT 30 MPH. THUNDERSTORMS WILL MOVE ACROSS THE TOWNS OF FENTON...SWARTZ CREEK... GRAND BLANC...AND THE CITY OF FLINT BY 130 PM. SMALL HAIL...STRONG GUSTY WINDS...AND FREQUENT DANGEROUS LIGHTNING ARE LIKELY WITH SOME OF THESE STORMS. THE STORMS WILL MOVE INTO LAPEER COUNTY AROUND 1 PM. STAY TUNED TO THIS STATION FOR THE LATEST STATEMENTS ON THESE STORMS. YORK
Special weather statement, May 24, 12:34 PM EDT, 0 minutes before
MIZ031-032-034-241730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLINT MI 1233 PM EDT FRI MAY 24 1991 ...THUNDERSTORMS WITH WIND GUSTS TO 50 MPH ARE APPROACHING LAPEER COUNTY... AT 1230 PM...WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS WITH HEAVY RAIN AND STRONG WINDS EXTENDING FROM FLINT TO NEAR PONTIAC. AT 1215 PM...THE WIND AT FLINT BISHOP AIRPORT GUSTED TO 44 MPH IN A THUNDERSTORM. THE STORMS WERE MOVING NORTHEAST AT 30 MPH. THUNDERSTORMS WILL MOVE ACROSS NORTHEAST GENESEE COUNTY INTO WESTERN LAPEER COUNTY BY 130 PM. THE TOWNS OF OTISVILLE...LAPEER...AND HADLEY WILL BE AFFECTED BY 115 PM. STRONG WIND GUSTS OF 40 TO 50 MPH AND SMALL HAIL ARE LIKELY WITH SOME OF THESE STORMS. STAY TUNED TO THIS STATION FOR THE LATEST STATEMENTS ON THESE STORMS. YORK
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 11:26 AM EDT | Severe Thunderstorm Warning | DTX | Livingston, Washtenaw | 44 min |
| May 24, 12:43 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Saginaw, Tuscola | 47 min |
| May 24, 12:56 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 34 min |
Nearby
Tornado Warnings in Michigan, 1991Every tornado warning in 1991Tornadoes in 1991
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.