Alert archive / Michigan / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 8, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jul 9, 1993, 3:16 PM EDT for Arenac County, Iosco County, Michigan. It was in force for 29 min.
The area
The counties it named.
The facts
- Issued
- Jul 9, 1993, 3:16 PM EDT (19:16 UTC)
- Expired
- Jul 9, 1993, 3:45 PM EDT
- In force
- 29 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
Counties Arenac County, MI, Iosco County, MI
The nearest sounding before it
Detroit, MI (KFNT), launched 12:00Z, 7.3 hours before the alert went out and 162 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
- 159 J/kg
- Mixed-layer CIN
- -199 J/kg
- Mixed-layer LCL
- 1165 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KAPN 091917 RRA SVRAPN MIC011-069-MIZ509-091945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE ALPENA MI 316 PM EDT FRI JUL 9 1993 THE NATIONAL WEATHER SERVICE IN ALPENA HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 345 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL LOWER MICHIGAN ...NORTHEASTERN ARENAC COUNTY IN NORTHEAST LOWER MICHIGAN ...IOSCO COUNTY AND FOR MARINE INTERESTS ON COASTAL WATERS FROM... ...OSCODA TO TAWAS CITY ...TAWAS CITY TO ALABASTER AT 315 PM... NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM ON THE JUST WEST OF ALABASTER... OR 60 MILES SOUTH OF ALPENA. THIS STORM WAS MOVING TO THE NORTHEAST AT 45 MILES AN HOUR... AND WILL BE PASSING NEAR TAWAS CITY BY 330 PM. IF YOU LIVE NEAR ALABASTER AND TAWAS CITY... GET INSIDE A STURDY SHELTER NOW. DAMAGING WIND AND POSSIBLE TORNADOES ARE POSSIBLE WITH THIS STORM. 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.
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 9, 1:59 PM EDT, 1 hour 17 minutes before
MIZ039-048-060>062-064>068-509-514-092000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALPENA MI 159 PM EDT FRI JUL 9 1993 ...A FEW THUNDERSTORMS CONTINUED TO MOVE ACROSS NORTHEAST AND EXTREME NORTHERN LOWER MICHIGAN... AT 158 PM... NATIONAL WEATHER SERVICE RADAR INDICATED A FEW THUNDERSTORMS OVER EXTREME NORTHERN AND NORTHEAST LOWER MICHIGAN. ONE AREA WAS CENTERED AROUND THE CHEBOYGAN AREA... OR 15 MILES SOUTHEAST OF THE MACKINAC BRIDGE. ANOTHER THUNDERSTORM WAS LOCATED ABOUT 10 MILES NORTH OF ATLANTA... OR 40 MILES WEST OF ALPENA. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 45 MILES AN HOUR. THE THUNDERSTORMS NEAR CHEBOYGAN WILL BE MOVING OUT OVER THE WATERS OF LAKE HURON BY 205 PM... WHILE THE THUNDERSTORM NORTH OF ATLANTA WILL PASS NEAR THE COMMUNITY OF HAWKS BY 230 PM. IF YOU ARE NORTH OF HILLMAN... OR IN THE HAWKS AREA... REMEMBER THAT ALL THUNDERSTORMS PRODUCE DEADLY LIGHTNING. YOUR BEST COURSE OF ACTION IS TO MOVE INSIDE A HOME OR BUILDING UNTIL THE STORMS HAVE PASSED. LIGHTNING AND GUSTY WINDS WILL ACCOMPANY THIS STORM AS IS PASSES OVERHEAD. MARINERS ON LAKE HURON... AROUND THE CHEBOYGAN AREA... SHOULD BE PREPARED TO MOVE TO SAFE HARBOR IF THREATENING WEATHER APPROACHES. CAMPBELL
Special weather statement, Jul 9, 2:00 PM EDT, 1 hour 16 minutes before
MIZ039-048-060>062-064>068-509-514-092000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALPENA MI 159 PM EDT FRI JUL 9 1993 ...A FEW THUNDERSTORMS CONTINUED TO MOVE ACROSS NORTHEAST AND EXTREME NORTHERN LOWER MICHIGAN... AT 158 PM... NATIONAL WEATHER SERVICE RADAR INDICATED A FEW THUNDERSTORMS OVER EXTREME NORTHERN AND NORTHEAST LOWER MICHIGAN. ONE AREA WAS CENTERED AROUND THE CHEBOYGAN AREA... OR 15 MILES SOUTHEAST OF THE MACKINAC BRIDGE. ANOTHER THUNDERSTORM WAS LOCATED ABOUT 10 MILES NORTH OF ATLANTA... OR 40 MILES WEST OF ALPENA. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 45 MILES AN HOUR. THE THUNDERSTORMS NEAR CHEBOYGAN WILL BE MOVING OUT OVER THE WATERS OF LAKE HURON BY 205 PM... WHILE THE THUNDERSTORM NORTH OF ATLANTA WILL PASS NEAR THE COMMUNITY OF HAWKS BY 230 PM. IF YOU ARE NORTH OF HILLMAN... OR IN THE HAWKS AREA... REMEMBER THAT ALL THUNDERSTORMS PRODUCE DEADLY LIGHTNING. YOUR BEST COURSE OF ACTION IS TO MOVE INSIDE A HOME OR BUILDING UNTIL THE STORMS HAVE PASSED. LIGHNING AND GUSTY WINDS WILL ACCOMPANY THIS STORM AS IS PASSES OVERHEAD. MARINERS ON LAKE HURON... AROUND THE CHEBOYGAN AREA... SHOULD BE PREPARED TO MOVE TO SAFE HARBOR IF THREATENING WEATHER APPROACHES. CAMPBELL
Special weather statement, Jul 9, 2:00 PM EDT, 1 hour 16 minutes before
MIZ039-048-060>062-064>068-509-514-092000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALPENA MI 159 PM EDT FRI JUL 9 1993 ...A FEW THUNDERSTORMS CONTINUED TO MOVE ACROSS NORTHEAST AND EXTREME NORTHERN LOWER MICHIGAN... AT 158 PM... NATIONAL WEATHER SERVICE RADAR INDICATED A FEW THUNDERSTORMS OVER EXTREME NORTHERN AND NORTHEAST LOWER MICHIGAN. ONE AREA WAS CENTERED AROUND THE CHEBOYGAN AREA... OR 15 MILES SOUTHEAST OF THE MACKINAC BRIDGE. ANOTHER THUNDERSTORM WAS LOCATED ABOUT 10 MILES NORTH OF ATLANTA... OR 40 MILES WEST OF ALPENA. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 45 MILES AN HOUR. THE THUNDERSTORMS NEAR CHEBOYGAN WILL BE MOVING OUT OVER THE WATERS OF LAKE HURON BY 205 PM... WHILE THE THUNDERSTORM NORTH OF ATLANTA WILL PASS NEAR THE COMMUNITY OF HAWKS BY 230 PM. IF YOU ARE NORTH OF HILLMAN... OR IN THE HAWKS AREA... REMEMBER THAT ALL THUNDERSTORMS PRODUCE DEADLY LIGHTNING. YOUR BEST COURSE OF ACTION IS TO MOVE INSIDE A HOME OR BUILDING UNTIL THE STORMS HAVE PASSED. LIGHTNING AND GUSTY WINDS WILL ACCOMPANY THIS STORM AS IS PASSES OVERHEAD. MARINERS ON LAKE HURON... AROUND THE CHEBOYGAN AREA... SHOULD BE PREPARED TO MOVE TO SAFE HARBOR IF THREATENING WEATHER APPROACHES. CAMPBELL
Special weather statement, Jul 9, 2:30 PM EDT, 46 minutes before
MIZ039-048-060>062-064>068-509-514-092030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALPENA MI 230 PM EDT FRI JUL 9 1993 ...A FEW THUNDERSTORMS CONTINUED TO MOVE ACROSS NORTHEAST LOWER MICHIGAN... AT 229 PM... NATIONAL WEATHER SERVICE RADAR INDICATED A FEW THUNDERSTORMS OVER NORTHEAST LOWER MICHIGAN. ONE THUNDERSTORM WAS LOCATED BETWEEN HAWKS AND POSEN... OR 30 MILES NORTHWEST OF ALPENA. ANOTHER THUNDERSTORM WITH HEAVY RAIN WAS LOCATED JUST EAST OF HILLMAN... OR 20 MILES WEST OF ALPENA. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 45 MILES AN HOUR. THE THUNDERSTORMS NEAR POSEN WILL BE REACH THE LAKE HURON SHORELINE... BETWEEN ROGERS CITY AND PRESQUE ISLE... BY 240 PM. THE STORM JUST EAST OF HILLMAN WILL MOVE NEAR THE COMMUNITIES OF LACHINE AND LONG RAPIDS BY 240 PM... AND WILL PASS JUST NORTH OF ALPENA BY 255 PM. . IF YOU ARE IN THE COMMUNITIES OF LACHINE OR LONG RAPIDS... REMEMBER THAT ALL THUNDERSTORMS PRODUCE DEADLY LIGHTNING. YOUR BEST COURSE OF ACTION IS TO MOVE INSIDE A HOME OR BUILDING UNTIL THE STORMS HAVE PASSED. LIGHTNING AND GUSTY WINDS WILL ACCOMPANY THESE THUNDERSTORMS AS THEY PASS OVERHEAD. MARINERS ON LAKE HURON... BETWEEN ROGERS CITY AND PRESQUE ISLE... SHOULD BE PREPARED TO MOVE TO SAFE HARBOR IF THREATENING WEATHER APPROACHES. CAMPBELL
Special weather statement, Jul 9, 2:31 PM EDT, 45 minutes before
MIZ039-048-060>062-064>068-509-514-092030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALPENA MI 230 PM EDT FRI JUL 9 1993 ...A FEW THUNDERSTORMS CONTINUED TO MOVE ACROSS NORTHEAST LOWER MICHIGAN... AT 229 PM... NATIONAL WEATHER SERVICE RADAR INDICATED A FEW THUNDERSTORMS OVER NORTHEAST LOWER MICHIGAN. ONE THUNDERSTORM WAS LOCATED BETWEEN HAWKS AND POSEN... OR 30 MILES NORTHWEST OF ALPENA. ANOTHER THUNDERSTORM WITH HEAVY RAIN WAS LOCATED JUST EAST OF HILLMAN... OR 20 MILES WEST OF ALPENA. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 45 MILES AN HOUR. THE THUNDERSTORMS NEAR POSEN WILL BE REACH THE LAKE HURON SHORELINE... BETWEEN ROGERS CITY AND PRESQUE ISLE... BY 240 PM. THE STORM JUST EAST OF HILLMAN WILL MOVE NEAR THE COMMUNITIES OF LACHINE AND LONG RAPIDS BY 240 PM... AND WILL PASS JUST NORTH OF ALPENA BY 255 PM. . IF YOU ARE IN THE COMMUNITIES OF LACHINE OR LONG RAPIDS... REMEMBER THAT ALL THUNDERSTORMS PRODUCE DEADLY LIGHTNING. YOUR BEST COURSE OF ACTION IS TO MOVE INSIDE A HOME OR BUILDING UNTIL THE STORMS HAVE PASSED. LIGHTNING AND GUSTY WINDS WILL ACCOMPANY THESE THUNDERSTORMS AS THEY PASS OVERHEAD. MARINERS ON LAKE HURON... BETWEEN ROGERS CITY ANND PRESQUE ISLE... SHOULD BE PREPARED TO MOVE TO SAFE HARBOR IF THREATENING WEATHER APPROACHES. CAMPBELL
Special weather statement, Jul 9, 2:43 PM EDT, 33 minutes before
MIZ039-048-060>062-064>068-509-514-112030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ALPENA MI 243 PM EDT SUN JUL 9 1993 ...THUNDERSTORMS WERE CONTINUING IN NORTHEAST LOWER MICHIGAN... AT 238 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS CONTINUING IN PARTS OF NORTHEAST LOWER MICHIGAN. THE STRONGEST THUNDERSTORM WAS LOCATED 4 MILES SOUTHEAST OF GLENNIE OVER WALLACE... OR 37 MILES SOUTHWEST OF ALPENA. THIS THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 35 MILES AN HOUR AND WILL MOVE OVER KILLMASTER BY 305 PM... AND NEAR ALCONA BY 330 PM...THEN MOVE OUT OVER THE WATERS OF LAKE HURON. THE THUNDERSTORMS WILL BE ACCOMPANIED BY HEAVY DOWNPOURS...DEADLY LIGHTNING...AND STRONG WINDS. IF OUTSIDE YOU SHOULD SEEK SHELTER UNTIL THE THUNDERSTORMS HAVE PASSED. BOATERS ALONG THE WEST SHORE OF LAKE HURON SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER BETWEEN TAWAS CITY TO SOUTH POINT AND MOVE TO A SAFE HARBOR. WOOD :f/// Y6WWUS GBf6WWUS$ gf6WWUSJ ( AAXX 11184 85x 6WWUSD 034 3 522 887/ 222// 20 318605 333R WUUS 8597495 8272qf6WWUS2 ~6WWUS< e6WWUS XWOUS _6WWUS Tj&6WWUS| X6WWUS M=HWWJP S6WWUS( @"6WWUSd 0265 20101 3 407
Nearby
Severe Thunderstorm Warnings in Michigan, 1993Every severe thunderstorm warning in 1993
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.