Alert archive / Michigan / Severe Thunderstorm Warnings in 1988
Severe Thunderstorm Warning 13, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jul 16, 1988, 12:15 AM EDT for Alcona County, Michigan. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Jul 16, 1988, 12:15 AM EDT (04:15 UTC)
- Expired
- Jul 16, 1988, 1:15 AM EDT
- In force
- 60 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
County Alcona County, MI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Sault Ste Marie, MI (KSSM), launched 00:00Z, 4.3 hours before the alert went out and 209 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
- 898 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 309 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KAPN 160415
SVRAPN
MIC001-160515-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE ALPENA MI
1215 AM EDT SAT JUL 16 1988
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 115 AM EDT FOR
PEOPLE IN THE FOLLOWING COUNTY
IN THE NORTHEAST PART OF LOWER MICHIGAN
NORTHERN ALCONA
...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTY JUST MENTIONED
AT 1210 AM EDT A LINE OF SEVERE THUNDERSTORMS EXTENDED FROM NEAR
HILLMAN IN MONTMORENCY COUNTY TO THE CITY OF ALPENA.
THE LINE WAS MOVING SOUTHEAST AROUND 45 MPH.
INTENSE LIGHTNING IS REPORTED WITH THIS STORbM. IF OUTDOORS...
STAY AWAY FROM HIGH OBJECTS. MOVE INDOORS IF POSSIBLE. WHEN
INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING
TELEPHONES AND ELECTRICAL EQUIPMENT.
THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY.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 15, 8:46 PM EDT, 3 hours 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAULT STE MARIE MI 840 PM EDT FRI JUL 15 1988 ...INTENSE THUNDERSTORMS IN SOUTHERN LUCE AND THE WESTERN HALF OF MACKINAC COUNTY... AT 830 PM EDT RADAR INDICATED INTENSE THUNDERSTORMS IN SOUTHERN LUCE AND THE WESTERN HALF OF MACKINAC COUNTIES MOVING EAST ATD 40 MPH. THESE STORMS MAY PRODUCE STRONG GUSTY WINDS...HEAVY RAIN ...SMALL HAIL AND DANGEROUS LIGHTNING. THESE STORMS WILL LIKELY MOVE IN.TO THE EASTERN SECTIONS OF MACKINAC...LUCE AND THE SOUTHERN SECTIONS OF CHIPPEWA COUNTY DURING THE NEAXT HOUR OR TWO. IF THREATENING CONDITIONS ARE SIGHTED TAKE COVER IMMEDIATELY. LDH
Special weather statement, Jul 15, 8:54 PM EDT, 3 hours 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAULT STE MARIE MI 840 PM EDT FRI JUL 15 1988 ...INTENSE THUNDERSTORMS IN SOUTHERN LUCE AND THE WESTERN HALF OF MACKINAC COUNTY... AT 830 PM EDT RADAR INDICATED INTENSE THUNDERSTORMS IN SOUTHERN LUCE AND THE WESTERN HALF OF MACKINAC COUNTIES MOVING EAST ATD 40 MPH. THESE STORMS MAY PRODUCE STRONG GUSTY WINDS...HEAVY RAIN ...SMALL HAIL AND DANGEROUS LIGHTNING. THESE STORMS WILL LIKELY MOVE INTO ;THE EASTERN SECTIONS OF MACKINAC...LUCE AND THE SOUTHERN SECTIONS OF CHIPPEWA COUNTY DURING THE NEAXT HOUR OR TWO. IF THREATENING CONDITIONS ARE SIGHTED TAKE COVER IMMEDIATELY. LDH
Local storm report, Jul 15, 10:17 PM EDT, 1 hour 58 minutes before
STORM REPORT NATIONAL WEATHER SERVICE SAULT STE MARIE MI 1010 PM EDT FRI JUL 15 1988 PRELIMINARY REPORT OF WIND DAMAGE 16/1300Z 15/2100 EDT EMMET COUNTY EXTREME NORTHERN LOWER PENINSULA VICINITY CARP LAKE METAL ROOF BLOWN OFF OF POLE BUILDING AND SHREDDED...DEBRIS SCATTERED ABOUT IN TREES AND YARDS...UNCONFIRMED REPORT OF 2X4S THROUGH WALL OF HOUSE. SEVERAL TREES DOWN ALONG US-31 BETWEEN MACKINAW CITY AND CARP LAKE...TWISTED OF 8 FEET ABOVE GROUND...UTILITY LINES DOWN...OTHER POSSIBLE WIND DAMAGE. LHW
Local storm report, Jul 15, 10:54 PM EDT, 1 hour 21 minutes before
STORM REPORT ...CORRECTION FOR TIME... NATIONAL WEATHER SERVICE SAULT STE MARIE MI 1055 PM EDT FRI JUL 15 1988 PRELIMINARY REPORT OF WIND DAMAGE 16/0100Z 15/2100 EDT EMMET COUNTY EXTREME NORTHERN LOWER PENINSULA VICINITY CARP LAKE METAL ROOF BLOWN OFF OF POLE BUILDING AND SHREDDED...DEBRIS SCATTERED ABOUT IN TREES AND YARDS...UNCONFIRMED REPORT OF 2X4S THROUGH WALL OF HOUSE. SEVERAL TREES DOWN ALONG US-31 BETWEEN MACKINAW CITY AND CARP LAKE...TWISTED OF 8 FEET ABOVE GROUND...UTILITY LINES DOWN...OTHER POSSIBLE WIND DAMAGE. LHW
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 9:16 PM EDT | Severe Thunderstorm Warning | APX | Presque Isle | 74 min |
| Jul 15, 10:34 PM EDT | Severe Thunderstorm Warning | APX | Alpena, Presque Isle | 56 min |
| Jul 15, 11:40 PM EDT | Severe Thunderstorm Warning | APX | Alpena, Montmorency, Presque Isle | 65 min |
| Jul 16, 1:27 AM EDT | Severe Thunderstorm Warning | APX | Alcona, Alpena | 63 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 1988Every severe thunderstorm warning in 1988
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.