Alert archive / Michigan / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 49, NWS Detroit, MI

July 13, 1995Shiawassee County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Jul 13, 1995, 6:03 PM EDT for Shiawassee County, Michigan. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Jul 13, 1995, 6:03 PM EDT (22:03 UTC)
Expired
Jul 13, 1995, 6:30 PM EDT
In force
27 min
Issued by
NWS Detroit, MI
Area
Whole counties

County Shiawassee County, MI

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 10.1 hours before the alert went out and 64 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.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 1995-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3303 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 1995-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
3303 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
825 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
318 m²/s²
Significant tornado parameter
0.0
Supercell composite
8.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KDTX 132205 RRA
SVRDTX
MIC155-049-087-132230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DETROIT PONTIAC MI
603 PM EDT THU JUL 13 1995
 
THE NATIONAL WEATHER SERVICE IN DETROIT PONTIAC HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MICHIGAN
 
   ...SHIAWASSEE COUNTY
 
IN EAST CENTRAL MICHIGAN
 
   ...GENESEE COUNTY...LAPEER COUNTY
 
AT 600 PM NATIONAL WEATHER SERVICE RADAR SHOWED POSSIBLE SEVERE
THUNDERSTORMS OVER SOUTHERN LAPEER AND GENESEE COUNTIES AND A POSSIBLE
SEVERE THUNDERSTORM OVER NORTHWEST SHIAWASSEE COUNTY. ALL THE
THUNDERSTORMS WERE MOVING SOUTHEAST AT 40 MILES AN HOUR.
 
THE THUNDERSTORMS WILL AFFECT THE OWOSSO AREA BY 615 PM AND THE COMMUNITOF METAMORA THROUGH 630 PM. WIND GUSTS IN EXCESS OF 60 MILES AN HOUR CAN
BE EXPECTED WITH THESE THUNDERSTORMS.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.|  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
 
GSS

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, Jul 13, 1:10 PM EDT, 4 hours 53 minutes before
MIZ005>008-011>030-033>036-042-132000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
110 PM EDT THU JUL 13 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EASTERN UPPER AND NORTHERN
LOWER MICHIGAN UNTIL 400 PM EDT...

SEVERE THUNDERSTORM WATCH NUMBER 778 IS NO LONGER IN EFFECT FOR THE
COUNTIES OF MARQUETTE...DICKINSON...MENOMINEE...ALGER...DELTA...AND
SCHOOLCRAFT.

THE WATCH COVERS EASTERN UPPER MICHIGAN AND MOST OF NORTHERN
LOWER MICHIGAN. SOME CITIES IN THE WATCH INCLUDE SAULT STE MARIE...
CHARLEVOIX...TRAVERSE CITY...ALPENA...GRAYLING...ROSCOMMON...AND
TAWAS CITY.

AT 110 PM EDT AN AREA OF STRONG THUNDERSTORMS WAS MOVING ACROSS
EASTERN UPPER MICHIGAN. THESE STORMS HAVE PRODUCED WIND GUSTS
NEAR 60 MPH...HAIL...AND VERY HEAVY RAIN. THESE STORMS WILL MOVE
INTO NORTHWEST LOWER MICHIGAN BY 300 PM EDT.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA FOR UPDATES ON THIS
WEATHER SITUATION.

WH
Special weather statement, Jul 13, 1:19 PM EDT, 4 hours 44 minutes before
MIZ005>008-011>030-033>036-042-132000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
110 PM EDT THU JUL 13 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EASTERN UPPER AND NORTHERN
LOWER MICHIGAN UNTIL 400 PM EDT...

SEVERE THUNDERSTORM WATCH NUMBER 778 IS NO LONGER IN EFFECT FOR THE
COUNTIES OF MARQUETTE...DICKINSON...MENOMINEE...ALGER...DELTA...AND
SCHOOLCRAFT.

THE WATCH COVERS EASTERN UPPER MICHIGAN AND MOST OF NORTHERN
LOWER MICHIGAN. SOME CITIES IN THE WATCH INCLUDE SAULT STE MARIE...
CHARLEVOIX...TRAVERSE CITY...ALPENA...GRAYLING...ROSCOMMON...AND
TAWAS CITY.

AT 110 PM EDT AN AREA OF STRONG THUNDERSTORMS WAS MOVING ACROSS
EASTERN UPPER MICHIGAN. THESE SFTORMS HAVE PRODUCED WIND GUSTS
NEAR 60 MPH...HAIL...AND VERY HEAVY RAIN. THESE STORMS WILL MOVE
INTO NORTHWEST LOWER MICHIGAN BY 300 PM EDT.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA FOR UPDATES ON THIS
WEATHER SITUATION.

WH
Special weather statement, Jul 13, 2:40 PM EDT, 3 hours 23 minutes before
MIZ005>008-011>030-033>036-042-132000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
240 PM EDT THU JUL 13 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EASTERN UPPER AND NORTHERN
LOWER MICHIGAN UNTIL 400 PM EDT...

SEVERE THUNDERSTORM WATCH NUMBER 778 IS NO LONGER IN EFFECT FOR
LUCE COUNTY. IT REMAINS IN EFFECT FOR CHIPPEWA AND MACKINAC COUNTIES
IN EASTERN UPPER MICHIGAN AND MUCH OF NORTHERN LOWER MICHIGAN.

SOME CITIES IN THE WATCH INCLUDE SAULT STE MARIE...CHARLEVOIX...
TRAVERSE CITY...ALPENA...GRAYLING...ROSCOMMON...AND TAWAS CITY.

AT 240 PM EDT AN AREA OF STRONG THUNDERSTORMS WAS MOVING OVER
EASTERN UPPER MICHIGAN AND NORTHERN LOWER MICHIGAN. THESE STORMS HAVE
PRODUCED WIND GUSTS NEAR 60 MPH...HAIL...AND VERY HEAVY RAIN.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA FOR UPDATES ON THIS
WEATHER SITUATION.

WH
Special weather statement, Jul 13, 2:44 PM EDT, 3 hours 19 minutes before
MIZ005>008-011>030-033>036-042-132000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
240 PM EDT THU JUL 13 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR EASTERN UPPER AND NORTHERN
LOWER MICHIGAN UNTIL 400 PM EDT...

SEVERE THUNDERSTORM WATCH NUMBER 778 IS NO LONGER IN EFFECT FOR
LUCE COUNTY. IT REMAINS IN EFFECT FOR CHIPPEWA AND MACKINAC COUNTIES
IN EASTERN UPPER MICHIGAN AND MUCH OF NORTHERN LOWER MICHIGAN.

SOME CITIES IN THE WATCH INCLUDE SAULT STE MARIE...CHARLEVOIX...
TRAVERSE CITY...ALPENA...GRAYLING...ROSCOMMON...AND TAWAS CITY.

AT 240 PM EDT AN AREA OF STRONG THUNDERSTORMS WAS MOVING OVER
EASTERN UPPER MICHIGAN AND NORTHERN LOWER MICHIGAN. THESE STORMS LHAVE
PRODUCED WIND GUSTS NEAR 60 MPH...HAIL...AND VERY HEAVY RAIN.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA FOR UPDATES ON THIS
WEATHER SITUATION.

WH
Special weather statement, Jul 13, 3:25 PM EDT, 2 hours 38 minutes before
MIZ034>036-040>042-046>049-052>055-060>063-068>070-076-140000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
325 PM EDT THU JUL 13 1995

...TORNADO WATCH IN EFFECT FOR PORTIONS OF EAST CENTRAL AND SOUTHEAST
LOWER MICHIGAN UNTIL 8 PM EDT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR MOST OF
EAST CENTRAL AND SOUTHEAST LOWER MICHIGAN UNTIL 8 PM EDT. CITIES IN THE
TORNADO WATCH INCLUDE MIDLAND...BAY CITY...SAGINAW...FLINT...PONTIAC
AND DETROIT.

AT 325 PM NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF SEVERE
THUNDERSTORMS EXTENDING FROM NEAR TAWAS CITY TO CADILLAC. THE LINE OF
STORMS WAS MOVING TO THE EAST SOUTHEAST AT 40 MILES AN HOUR AND WILL
AFFECT MIDLAND AND BAY COUNTIES BETWEEN 4 AND 430 PM.

THESE STORMS ARE CAPABLE OF PRODUCING WIND GUSTS TO 80 MILES AN HOUR
AND AN ISOLATED TORNADO IS ALSO POSSIBLE.

AS THIS LINE OF THUNDERSTORMS MOVED THROUGH THE MACKINAC STRAITS
BETWEEN 2 AND 3 PM THIS AFTERNOON TRAILERS WERE OVERTURNED AND WIND
GUSTS TO 70 MILES AN HOUR WERE REPORTED.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA FOR UPDATES ON THIS
DANGEROUS WEATHER SITUATION.

GSS
Special weather statement, Jul 13, 3:29 PM EDT, 2 hours 34 minutes before
MIZ034>036-040>042-046>049-052>055-060>063-068>070-076-140000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
325 PM EDT THU JUL 13 1995

...TORNADO WATCH IN EFFECT FOR PORTIONS OF EAST CENTRAL AND SOUTHEAST
LOWER MICHIGAN UNTIL 8 PM EDT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR MOST OF
EAST CENTRAL AND SOUTHEAST LOWER MICHIGAN UNTIL 8 PM EDT. CITIES IN THE
TORNADO WATCH INCLUDE MIDLAND...BAY CITY...SAGINAW...FLINT...PONTIAC
AND DETROIT.

AT 325 PM NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF SEVERE
THUNDERSTORMS EXTENDING FROM NEAR TAWAS CITY TO CADILLAC. THE LINE OF
STORMS WAS MOVING TO THE EAST SOUTHEAST AT 40 MILES AN HOUR AND WILL
AFFECT MIDLAND AND BAY COUNTIES BETWEEN 4 AND 430 PM.

THESE STORMS ARE CAPABLE OF PRODUCING WIND GUSTS TO 80 MILES AN HOUR
AND AN ISOLATED TORNADO IS ALSO POSSIBLE.

AS THIS LINE OF THUNDERSTORMS MOVED THROUGH THE MACKINAC STRAITS
BETWEEN 2 AND 3 PM THIS AFTERNOON TRAILERS WERE OVERTURNED AND WIND
GUSTS TO 70 MILES AN HOUR WERE REPORTED.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA FOR UPDATES ON THIS
DANGEROUS WEATHER SITUATION.

GSS

The office that day

Everything else NWS Detroit, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 13, 2:15 PM EDTSevere Thunderstorm WarningDTXOtsego45 min
Jul 13, 2:25 PM EDTSevere Thunderstorm WarningDTXCrawford50 min
Jul 13, 3:01 PM EDTSevere Thunderstorm WarningDTXCrawford44 min
Jul 13, 3:07 PM EDTSevere Thunderstorm WarningDTXRoscommon68 min
Jul 13, 3:28 PM EDTSevere Thunderstorm WarningDTXOgemaw62 min
Jul 13, 3:38 PM EDTSevere Thunderstorm WarningDTXClare67 min
Jul 13, 3:42 PM EDTSevere Thunderstorm WarningDTXGladwin63 min
Jul 13, 4:03 PM EDTTornado WarningDTXOgemaw57 min
Jul 13, 4:16 PM EDTSevere Thunderstorm WarningDTXBay, Midland44 min
Jul 13, 4:27 PM EDTSevere Thunderstorm WarningDTXSaginaw, Tuscola48 min
Jul 13, 4:27 PM EDTSevere Thunderstorm WarningDTXHuron48 min
Jul 13, 5:01 PM EDTSevere Thunderstorm WarningDTXGenesee, Lapeer, Shiawassee59 min
Jul 13, 5:01 PM EDTSevere Thunderstorm WarningDTXSanilac59 min
Jul 13, 5:15 PM EDTSevere Thunderstorm WarningDTXSaginaw, Tuscola30 min
Jul 13, 5:20 PM EDTSevere Thunderstorm WarningDTXSaint Clair55 min
Jul 13, 5:20 PM EDTSevere Thunderstorm WarningDTXLivingston, Oakland55 min
Jul 13, 5:24 PM EDTTornado WarningDTXGenesee51 min
Jul 13, 5:56 PM EDTSevere Thunderstorm WarningDTXMacomb64 min
Jul 13, 6:03 PM EDTSevere Thunderstorm WarningDTXGenesee, Lapeer27 min
Jul 13, 6:16 PM EDTSevere Thunderstorm WarningDTXLivingston, Oakland44 min
Jul 13, 6:16 PM EDTSevere Thunderstorm WarningDTXSaint Clair44 min
Jul 13, 6:30 PM EDTSevere Thunderstorm WarningDTXWashtenaw, Wayne60 min
Jul 13, 7:05 PM EDTSevere Thunderstorm WarningDTXLenawee, Monroe55 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1995Every severe thunderstorm warning in 1995

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.