Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 85, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 8, 1990, 5:14 AM CDT for Ramsey County, Washington County, Minnesota. It was in force for 46 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 8, 1990, 5:14 AM CDT (10:14 UTC)
- Expired
- Jul 8, 1990, 6:00 AM CDT
- In force
- 46 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Ramsey County, MN, Washington County, MN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 8, 5:15 AM CDT | Thunderstorm Wind 54 | Ramsey, MN | |
| Jul 8, 5:20 AM CDT | Thunderstorm Wind 0 | Washington, MN |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 10.2 hours before the alert went out and 52 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
- 1386 J/kg
- Mixed-layer CIN
- -245 J/kg
- Mixed-layer LCL
- 726 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 164 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMSP 081015
SVRMSP
MNC123-163-081100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
514 AM CDT SUN JUL 8 1990
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN EAST CENTRAL MINNESOTA
...RAMSEY...WASHINGTON
AT 512 AM..WEATHER RADAR WAS INDICATING A SEVERE THUNDERSTORM ACROSS
EASTERN RAMSEY COUNTY OF THE TWIN CITIES METROPOLITAN AREA.
AT 510 AM..58 MPH WINDS WERE CLOCKED JUST NORTH OF ST PAUL. THIS
SEVERE THUNDERSTORM WAS MOVING RAPIDLY NORTHEAST AT 40 MPH AND WILL
BE AFFECTING AREAS INCLUDING ST PAUL..NORTH ST PAUL AND STILLWATER.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 1:07 AM CDT | Severe Thunderstorm Warning | MPX | Swift | 53 min |
| Jul 8, 1:07 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 23 min |
| Jul 8, 2:09 AM CDT | Severe Thunderstorm Warning | MPX | Morrison | 51 min |
| Jul 8, 4:28 AM CDT | Severe Thunderstorm Warning | MPX | Sibley | 47 min |
| Jul 8, 4:49 AM CDT | Severe Thunderstorm Warning | MPX | Carver | 41 min |
| Jul 8, 5:00 AM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Scott | 60 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1990Every severe thunderstorm warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.