Alert archive / Michigan / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 1, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Mar 27, 1991, 4:53 PM EST for Benzie County, Grand Traverse County, Manistee County, Michigan. It was in force for 67 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 27, 1991, 4:53 PM EST (21:53 UTC)
- Expired
- Mar 27, 1991, 6:00 PM EST
- In force
- 67 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
Counties Benzie County, MI, Grand Traverse County, MI, Manistee County, MI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 27, 5:15 PM EST | Hail 0.75 | Grand Traverse, MI | |
| Mar 27, 5:50 PM EST | Thunderstorm Wind 56 | Benzie, MI | |
| Mar 27, 5:57 PM EST | Thunderstorm Wind 0 | Benzie, MI |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.9 hours before the alert went out and 167 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
- 1516 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- -11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Mar 27, 11:25 AM EST, 5 hours 28 minutes before
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</html>Special weather statement, Mar 27, 1:04 PM EST, 3 hours 49 minutes before
MIZ065-064-066-048-067-068-271900- SPECIAL WEATHER STATEMENT AND SHORT-RANGE WEATHER FORECAST NATIONAL WEATHER SERVICE ALPENA MI 105 PM EST WED MAR 27 1991 ...SHOWERS HAVE ENDED OVER NORTHEAST LOWER MICHIGAN... AT 100 PM...SHOWERS AND THUNDERSTORMS THAT MOVED ACROSS MOST OF NORTHEAST LOWER MICHIGAN THIS MORNING...HAD MOVED TO THE NORTHEAST OR DISSIPATED. ONLY A FEW SHOWERS REMAINED OVER CENTRAL AND NORTH-CENTRAL LAKE HURON. SOME AREAS OF DENSE FOG REMAINED OVER NORTHEAST LOWER MICHIGAN... REDUCING VISIBILITIES TO LESS THAN ONE MILE. TEMPERATURES WERE IN THE LOWER TO MIDDLE 50S...WITH SOUTHEAST TO SOUTH WINDS AT 10 TO 20 MILES AN HOUR. ALTHOUGH SHOWERS AND THUNDERSTORMS HAVE TEMPORARILY ENDED...DEVELOPING SHOWERS AND THUNDERSTORMS OVER SOUTHWEST LOWER MICHIGAN AND SOUTHERN LAKE MICHIGAN...WILL BE MOVING INTO NORTHEAST LOWER MICHIGAN AFTER 2 PM. SOME OF THESE THUNDERSTORMS MAY BE SEVERE. AREAS OF DENSE FOG WILL PERSIST EARLY THIS AFTERNOON...MAINLY NORTH OF ALPENA. TEMPERATURES WILL BE RISING TO AN AFTERNOON HIGH NEAR 60 DEGREES...AS SOUTHEAST TO SOUTH WINDS INCREASE TO 15 TO 25 MILES AN HOUR AFTER 3 PM. IF YOU ARE IN NORTHEAST LOWER MICHIGAN TODAY...BE PREPARED FOR TH1UNDERSTORMS AND AREAS OF DENSE FOG. CAMPBELL
Special weather statement, Mar 27, 4:26 PM EST, 27 minutes before
MIZ065-064-066-048-067-068-272230- SPECIAL WEATHER STATEMENT AND SHORT-RANGE WEATHER FORECAST NATIONAL WEATHER SERVICE ALPENA MI 425 PM EST WED MAR 27 1991 ...A TORNADO WATCH IS IN EFFECT FOR MUCH OF NORTHEAST LOWER MICHIGAN UNTIL MIDNIGHT... A TORNADO WATCH HAS BEEN ISSUED FOR MUCH OF LOWER MICHIGAN THIS AFTERNOON. IN NORTHEAST LOWER MICHIGAN...THE FOLLOWING COUNTIES ARE INCLUDED IN THE WATCH: MONTMORENCY...ALPENA...OSCODA...ALCONA... AND IOSCO. AT 420 PM...NATIONAL WEATHER SERVICE RADAR INDICATED SHOWERS AND THUNDERSTORMS DEVELOPING OVER NORTH-CENTRAL LOWER MICHIGAN...AROUND 40 MILES NORTH OF HOUGHTON LAKE...AND OVER EXTREME NORTHWEST LOWER MICHIGAN...NORTH OF TRAVERSE CITY. THESE SHOWERS AND THUNDERSTORMS WERE MOVING RAPIDLY TO THE NORTHEAST AT AROUND 50 MILES AN HOUR...AND WILL BE MOVING OVER LEWISTON AND VIENNA BY 445 PM. SHOWERS AND THUNDERSTORMS WILL BECOME MORE NUMEROUS OVER MOST OF NORTHEAST LOWER MICHIGAN AS THE LATE AFTERNOON AND EARLY EVENING PROGRESSES. IF YOU ARE IN OR NEAR THE WATCH AREA...BE PREPARED FOR THUNDERSTORMS ...SOME POSSIBLY SEVERE...AND THE POTENTIAL FOR TORNADOES. CAMPBELL
Special weather statement, Mar 27, 4:38 PM EST, 15 minutes before
MIC035-039-051-129-137-143-272245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUGHTON LAKE MI 438 PM EST WED MAR 27 1991 ...TORNADO WATCH IN EFFECT FOR NORTH CENTRAL LOWER MICHIGAN UNTIL MIDNIGHT... A TORNADO WATCH IS IN EFFECT FOR MOST OF THE LOWER PENINSULA OF MICHIGAN...INCLUDING ALL OF NORTH CENTRAL LOWER MICHIGAN...UNTIL MIDNIGHT TONIGHT. COUNTIES INCLUDED IN NORTH CENTRAL LOWER MICHIGAN ARE CLARE...GLADWIN...ROSCOMMON...OGEMAW...CRAWFORD AND OTSEGO. AT 430 PM EST RADAR INDICATED A RAPIDLY DEVELOPING AREA OF THUNDERSTORMS...SOME POSSIBLY PRODUCING STRONG DAMAGING WINDS... HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. THESE STORMS WERE MOVING TO THE NORTHEAST AT ABOUT 45 MPH. PERSONS IN NORTH CENTRAL LOWER MICHIGAN ARE STRONGLY URGED TO KEEP AN EYE ON WEATHER CONDITIONS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY SHOULD SEVERE WEATHER DEVELOP FROM THESE STORMS AS THEY PASS OVERHEAD. REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE RIPE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS AND TORNADOS. THESE STORMS ARE DEVELOPING AND MOVING RAPIDLY AND LITTLE OR NO ADVANCE WARNING MAY OCCUR BEFORE A TORNADO FORMS. AGAIN...IF YOU ARE IN THE WATCH AREA BE PREPARED TO MOVE TO A PLACE OF SAFETY IMMEDIATELY SHOULD SEVERE WEATHER THREATEN. KEITH NNNN
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 5:29 PM EST | Severe Thunderstorm Warning | APX | Muskegon, Newaygo, Oceana | 61 min |
| Mar 27, 6:08 PM EST | Tornado Warning | APX | Newaygo | 67 min |
| Mar 27, 6:40 PM EST | Tornado Warning | APX | Missaukee, Osceola, Wexford | 65 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 1991Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.