Alert archive / Michigan / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 2, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Apr 12, 1994, 11:14 PM EDT for Saginaw County, Shiawassee County, Michigan. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Apr 12, 1994, 11:14 PM EDT (03:14 UTC)
- Expired
- Apr 12, 1994, 11:45 PM EDT
- In force
- 31 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
Counties Saginaw County, MI, Shiawassee County, MI
The nearest sounding before it
Detroit, MI (KFNT), launched 00:00Z, 3.2 hours before the alert went out and 72 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
- 510 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 368 m²/s²
- 0-3 km storm-relative helicity
- 373 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 KFNT 130315 SVRFNT MIC145-155-130345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FLINT MI 1114 PM EDT TUE APR 12 1994 THE NATIONAL WEATHER SERVICE IN FLINT HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL LOWER MICHIGAN ...SAGINAW COUNTY...SHIAWASSEE COUNTY AT 1110 PM EDT...RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM NEAR PERRY IN SOUTHWEST SHIAWASSEE COUNTY...41 MILES SOUTHWEST OF FLINT. THIS STORM PRODUCED MARBLE-SIZED HAIL IN PERRY AROUND 1055 PM EDT. THIS STORM WAS MOVING NORTHEAST AROUND 40 MPH AND WILL REACH BETWEEN CORUNNA AND DURAND BY 1125 PM EDT. RADAR ALSO INDICATED TWO POSSIBLE SEVERE THUNDERSTORMS IN SAGINAW COUNTY. THE FIRST STORM WAS JUST EAST OF MARION SPRINGS...29 MILES SOUTHWEST OF SAGINAW AND WAS MOVING NORTHEAST AT ABOUT 40 MPH AND WILL REACH NEAR FREELAND BY 1135 PM EDT. ANOTHER POSSIBLE SEVERE THUNDERSTORM WAS NEAR BRIDGEPORT...5 MILES SOUTHEAST OF SAGINAW...MOVING NORTHEAST AT 40 MPH AND WILL REACH THE COMMUNITIES OF ARTHUR AND GERA BY 1125 PM EDT. THESE STORMS MAY PRODUCE LARGE HAIL OF 3/4 INCH DIAMETER OR MORE. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. CARUSO
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 12, 8:51 PM EDT, 2 hours 23 minutes before
MIZ053-060-130350- SPECIAL WEATHER STATEMENT...COR NATIONAL WEATHER SERVICE FLINT MI 848 PM EDT TUE APR 12 1994 ...THUNDERSTORMS HAVE DEVELOPED OVER SOUTHERN SAGINAW COUNTY... AT 843 PM RADAR INDICATED A STRONG THUNDERSTORM NEAR BURT 15 SSE OF SAGINAW. THIS STORM IS CAPABLE OF PRODUCING HEAVY RAIN...GUSTY WINDS ...DANGEROUS LIGHTNING AND SMALL HAIL. THE STORM WAS MOVING TO THE NORTHEAST AT 40 MPH AND WILL BE AT ST CHARLES BY 9 PM. SOME ObF THESE STORMS MAY CONTAIN SMALL HAIL...GUSTY WINDS...DEADLY LIGHTNING AND VERY HEAVY DOWNPOURS OF RAIN. THIES
Special weather statement, Apr 12, 9:48 PM EDT, 1 hour 26 minutes before
MIZ047-049>053-055>060-062-130500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLINT MI 950 PM EDT TUE APR 12 1994 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF EAST CENTRAL LOWER MICHIGAN UNTIL 300 AM EDT... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF EAST CENTRAL LOWER MICHIGAN UNTIL 300 AM EDT. THIS INCLUDES BAY...SAGINAW...MIDLAND... GENESEE...LAPEER...SHAIWASSEE...TUSCOLA...HURON AND SANILAC COUNTIES. AT 945 PM RADAR INDICATED AN AREA POSSIBLY CONTAINING THUNDERSTORMS IN NORTHERN SAGINAW COUNTY AND SOUTHERN BAY COUNTY. SPOTTERS REPORTED PEA SIZE HAIL IN MUNGER...16 MILES NORTHEAST OF SAGINAW. IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED MOVE TnO A SAFE PLACE...PREFERABLY INSIDE A STRONG BUILDING ON THE LOWEST FLOOR AWAY FROM WINDOWS. LRT
Special weather statement, Apr 12, 10:00 PM EDT, 1 hour 14 minutes before
MIZ063-068>070-075-076-082-083-130400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT MI 1000 PM EDT TUE APR 12 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTHEAST LOWER MICHIGAN UNTIL 300 AM EDT... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTHEAST LOWER MICHIGAN UNTIL 300 AM EDT. THIS INCLUDES THE COUNTIES OF WAYNE...OAKLAND ...WASHTENAW...MACOMB...LIVINGSTON...ST CLAIR...LENAWEE AND MONROE. SOME CITIES INCLUDED IN THE WATCH AREA ARE DETROIT...ANN ARBOR...PONTIAC...PORT HURON...MT CLEMENS...ADRIAN...HOWELL AND MONROE. AT 955 PM...WEATHER RADAR DETECTED AN ISOLATED THUNDERSTORM OVER ARMADA IN MACOMB COUNTY...36 MILES NORTH-NORTHEAST OF DETROIT. THE STORM WAS MOVING TO THE NORTHEAST AT 40 MILES AN HOUR AND WILL HIT THE TOWN OF EMMET IN ST CLAIR COUNTY...47 MILES NORTH-NORTHEAST OF DETROIT...BY 1015 PM. NO SEVERE WEATHER WAS OCCURING IN SOUTHEAST LOWER MICHIGAN AT THIS TIME... HOWEVER...CONDITIONS ARE FAVORABLE FOR THE FORMATION OF SEVERE THUNDERSTORMS. SEVERE THUNDERSTORMS CAN PRODUCE WINDS IN EXCESS OF 58 MILES AN HOUR ...LARGE HAIL AND DANGEROUS LIGHTNING. IF YOU ARE CAUGHT OUTSIDE IN A THUNDERSTORM...SEEK SHELTER INSDIE A STRONG BUILDING. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. KEEP TUNED TO NOAA WEATHER RADIO STATION KEC-63 FOR THE LATEST WEATHER CONDITIONS. WOODWORTH
Special weather statement, Apr 12, 10:34 PM EDT, 40 minutes before
MIZ047-049>053-055>060-062-130600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLINT MI 1035 PM EDT TUE APR 12 1994 ...STRONG THUNDERSTORMS IN SHIAWASSEE COUNTY... A SEVERE WATCH IS IN EFFECT UNTIL 300 AM EDT FOR ALL OF EAST CENTRAL LOWER MICHIGAN. THIS INCLUDES THE COMMUNITIES OF BAY CITY...SAGINAW... MIDLAND...FLINT...OWOSSO...LAPEER...SANDUSKY...BAD AXE AND CARO. AT 1030 PM RADAR INDICATED A STRONG THUNDERSTORM NEAR BENNINGTON...38 MILES WEST SOUTHWEST OF FLINT. THIS STORM IS MOVING TOWARD THE NORTHEAST AT 40 MPH AND WILL PASS OVER OWOSSO...24 WEST SOUTHWEST OF FLINT...BY 1045 PM. IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED MOVE TO A SAFE PLACE...PREFERABLY $INSIDE A STRONG BUILDING ON THE LOWEST FLOOR. LRT
Special weather statement, Apr 12, 10:48 PM EDT, 26 minutes before
MIZ063-068>070-075-076-082-083-130450- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT MI 1048 PM EDT TUE APR 12 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTHEAST LOWER MICHIGAN UNTIL 300 AM EDT... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTHEAST LOWER MICHIGAN UNTIL 300 AM EDT. THIS INCLUDES THE COUNTIES OF WAYNE...OAKLAND ...WASHTENAW...MACOMB...LIVINGSTON...ST CLAIR...LENAWEE AND MONROE. SOME CITIES INCLUDED IN THE WATCH AREA ARE DETROIT...ANN ARBOR...PONTIAC...PORT HURON...MT CLEMENS...ADRIAN...HOWELL AND MONROE. AT 1044 PM...WEATHER RADAR DETECTED A FEW ISOLATED SHOWERS OVER ST CLAIR COUNTY. NO THUNDERSRORMS WERE DETECTED IN SOUTHEAST LOWER MICHIGAN AT THIS TIME. A LINE OF THUNDERSTORMS WAS INDICATED OVER CENTRAL LOWER MICHIGAN ...EXTENDING FROM 20 MILES WEST OF FLINT TO FORT WAYNE INDIANA. THESE STORMS WERE MOVING NORTH-NORTHEAST AROUND 40 MILES AN HOUR AND WILL EXTEND FROM FLINT TO FOWLERVILLE AND SOUTH THROUGH JACKSON MICHIGAN TO THE OHIO BORDER BY 1130 PM. SEVERE THUNDERSTORMS CAN PRODUCE WINDS IN EXCESS OF 58 MILES AN HOUR ...LARGE HAIL AND DANGEROUS LIGHTNING. IF YOU ARE CAUGHT OUTSIDE IN A THUNDERSTORM...SEEK SHELTERR INSIDE A STRONG BUILDING. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. KEEP TUNED TO NOAA WEATHER RADIO STATION KEC-63 FOR THE LATEST UPDATES ON CURRENT WEATHER CONDITIONS. WOODWORTH
Special weather statement, Apr 12, 11:02 PM EDT, 12 minutes before
MIZ001>083-130600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1100 PM EDT TUE APR 12 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF SOUTHERN LOWER MICHIGAN UNTIL 300 AM EDT... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ROUGHLY THE SOUTHEAST QUARTER OF LOWER MICHIGAN UNTIL 3 AM. THE WATCH INCLUDES THE CITIES OF LANSING...SAGINAW...JACKSON...FLINT...AND THE DETROIT METROPOLITAN AREA. AT 1050 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A BAND OF STRONG TO POSSIBLY SEVERE THUNDERSTORMS FROM ABOUT 10 MILES SOUTH OF SAGINAW TO THE OHIO...INDIANA...MICHIGAN STATE BORDER. A POSSIBLE SEVERE THUNDERSTORM WAS IN SAGINAW COUNTY IN EAST CENTRAL LOWER MICHIGAN. THE BAND OF THUNDERSTORMS WAS TRACKING EAST AROUND 20 MPH...AND WILL CROSS SOUTHEAST LOWER MICHIGAN BETWEEN 1130 PM AND 3 AM. THE BAND OF STORMS WILL REACH FLINT AND JACKSON BY MIDNIGHT...AND DETROIT BETWEEN MIDNIGHT AND 1 AM. CONDITIONS ARE FAVORABLE FOR THESE THUNDERSTORMS TO REACH SEVERE LEVELS DURING THE WATCH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MPH...LARGE HAIL IN EXCESS OF 3/4 INCH DIAMETER... AND FREQUENT DEADLY LIGHTNING. IF SEVERE THUNDERSTORMpS ARE IMMINENT OR OCCURRING...GO INSIDE A REINFORCED BUILDING...AND STAY AWAY FROM WINDOWS. STAY TUNED TO THIS STATION FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS. YORK/KEYES
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 10:44 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw, Shiawassee | 31 min |
| Apr 12, 11:39 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Tuscola | 36 min |
| Apr 13, 12:08 AM EDT | Severe Thunderstorm Warning | DTX | Huron | 37 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 1994Every severe thunderstorm warning in 1994
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.