Alert archive / Michigan / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 28, NWS Gaylord, MI

July 14, 1995Iosco County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jul 14, 1995, 5:21 PM EDT for Iosco County, Michigan. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Jul 14, 1995, 5:21 PM EDT (21:21 UTC)
Expired
Jul 14, 1995, 6:10 PM EDT
In force
49 min
Issued by
NWS Gaylord, MI
Area
Whole counties

County Iosco County, MI

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 9.4 hours before the alert went out and 123 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, Alpena, MI at 12:00Z on 1995-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1198 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, Alpena, MI at 12:00Z on 1995-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.19395878Sfc1 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
1198 J/kg
Mixed-layer CIN
-239 J/kg
Mixed-layer LCL
443 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAPN 142124 RRA
SVRAPN
MIC069-MIZ509-142230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE ALPENA MI
521 PM EDT FRI JUL 14 1995
 
THE NATIONAL WEATHER SERVICE IN ALPENA HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL  630 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST LOWER PENINSULA
 
   ...IOSCO COUNTY
 
  AND FOR MARINE INTERESTS ON COASTAL WATERS FROM...
 
   ...OSCODA  TO  TAWAS CITY
 
AT 520 PM EDT A SEVERE THUNDERSTORM WAS LOCATED BETWEEN GREENBUSH AND
OSCODA NEAR THE COUNTY LINE. THE STORM WAS MOVING TO THE EAST AT 30
MPH...WITH SOME SOUTHWARD DRIFT.
 
STORMS APPEAR TO BE MERGING OVER THE GREENBUSH AREA...WITH A SOUTHWARD
DRIFT THE SEVERE STORM WILL AFFECT OSCODA BY 540 PM.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. SEVERE
THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES WITH NO ADVANCE
WARNING...SO TAKE COVER IMMEDIATE^LY.
 
WOOD

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 14, 11:23 AM EDT, 5 hours 58 minutes before
MIZ016>019-023-024-029-030-036-042-509-514-142130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALPENA MI
1123 AM EDT FRI JUL 14 1995

...A HEAT ADVISORY HAS BEEN ISSUED FOR PARTS OF EXTREME NORTHERN AND
NORTHEAST LOWER MICHIGAN FOR THIS AFTERNOON...

A HEAT ADVISORY HAS BEEN ISSUED FOR ALCONA...ALPENA...ARENAC...
CHEBOYGAN...ISOCO...MONTMORENCY...OSCODA AND PRESQUE ISLE COUNTIES
FOR THIS AFTERNOON. OUTSIDE AIR TEMPERATURES WILL RISE TO BETWEEN 95
AND 100 DEGREES DURING THE AFTERNOON. THE COMBINED EFFECT OF THE AIR
TEMPERATURES AND RELATIVE HUMIDITIES WILL MAKE HEAT INDICES EXCEED
105 DEGREES IN SOME LOCATIONS.

WHEN THE HEAT INDEX RANGES FROM 105 TO 130 DEGREES...HEAT DISORDERS
SUCH AS SUNSTROKE...HEAT CRAMPS OR HEAT EXHAUSTION IS LIKELY...AND
HEATSTROKE IS POSSIBLE WITH PROLONGED EXPOSURE AND/OR PHYSICAL ACTIVITIES.

IF YOU WILL BE OUTDOORS THIS AFTERNOON...ENSURE YOU TAKE PLENTY OF
FLUIDS...AND TAKE BREAKS IN A SHADE OR COOL BUILDING.

WOOD
Special weather statement, Jul 14, 11:27 AM EDT, 5 hours 54 minutes before
MIZ016>019-023-024-029-030-036-042-509-514-142130-

SPECIAL WEATHER STATEMENT...CORRECTION FOR TYPO
NATIONAL WEATHER SERVICE ALPENA MI
1127 AM EDT FRI JUL 14 1995

...A HEAT ADVISORY HAS BEEN ISSUED FOR PARTS OF EXTREME NORTHERN AND
NORTHEAST LOWER MICHIGAN FOR THIS AFTERNOON...

A HEAT ADVISORY HAS BEEN ISSUED FOR ALCONA...ALPENA...ARENAC...
CHEBOYGAN...IOSCO...MONTMORENCY...OSCODA AND PRESQUE ISLE COUNTIES
FOR THIS AFTERNOON. OUTSIDE AIR TEMPERATURES WILL RISE TO BETWEEN 95
AND 100 DEGREES DURING THE AFTERNOON. THE COMBINED EFFECT OF THE AIR
TEMPERATURES AND RELATIVE HUMIDITIES WILL MAKE HEAT INDICES EXCEED
105 DEGREES IN SOME LOCATIONS.

WHEN THE HEAT INDEX RANGES FROM 105 TO 130 DEGREES...HEAT DISORDERS
SUCH AS SUNSTROKE...HEAT CRAMPS OR HEAT EXHAUSTION IS LIKELY...AND
HEATSTROKE IS POSSIBLE WITH PROLONGED EXPOSURE AND/OR PHYSICAL ACTIVITIES.

IF YOU WILL BE OUTDOORS THIS AFTERNOON...ENSURE YOU TAKE PLENTY OF
FLUIDS...AND TAKE BREAKS IN A SHADE OR COOL BUILDING.

WOOD
Special weather statement, Jul 14, 11:28 AM EDT, 5 hours 53 minutes before
MIZ016>019-023-024-029-030-036-042-509-514-142130-

SPECIAL WEATHER STATEMENT...CORRECTION FOR TYPO
NATIONAL WEATHER SERVICE ALPENA MI
1127 AM EDT FRI JUL 14 1995

...A HEAT ADVISORY HAS BEEN ISSUED FOR PARTS OF EXTREME NORTHERN AND
NORTHEAST LOWER MICHIGAN FOR THIS AFTERNOON...

A HEAT ADVISORY HAS BEEN ISSUED FOR ALCONA...ALPENA...ARENAC...
CHEBOYGAN...IOSCO...MONTMORENCY...OSCODA AND PRESQUE ISLE COUNTIES
FOR THIS AFTERNOON. OUTSIDE AIR TEMPERATURES WILL RISE TO BETWEEN 95
AND 100 DEGREES DURING THE AFTERNOON. THE COMBINED EFFECT OF THE AIR
TEMPERATURES AND RELATIVE HUMIDITIES WILL MAKE HEAT INDICES EXCEED
105 DEGREES IN SOME LOCATIONS.

WHEN THE HEAT INDEX RANGES FROM 105 TO 130 DEGREES...HEAT DISORDERS
SUCH AS SUNSTROKE...HEAT CRAMPS OR HEAT EXHAUSTION IS LIKELY...AND
HEATSTROKE IS POSSIBLE WITH PROLONGED EXPOSURE AND/OR PHYSICAL ACTIVITIES.

IF YOU WILL BE OUTDOORS THIS AFTERNOON...ENSURE YOU TAKE PLENTY OF
FLUIDS...AND TA:KE BREAKS IN A SHADE OR COOL BUILDING.

WOOD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 4:44 PM EDTSevere Thunderstorm WarningAPXAlcona61 min
Jul 14, 5:46 PM EDTSevere Thunderstorm WarningAPXAlcona24 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.