Alert archive / Minnesota / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 86, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 21, 1995, 8:29 PM CDT for Isanti County, Minnesota. It was in force for 46 min. 1 report 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 21, 1995, 8:29 PM CDT (01:29 UTC)
- Expired
- Jul 21, 1995, 9:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Isanti County, MN
The radar
The Minneapolis radar (KMPX), 82 km from the middle of the area, began a volume at 01:32 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 21, 8:50 PM CDT | Tornado F1 | Blomford, MN | The tornado was on the ground from Blomford to Stacy. The tornado struck Stacy at 2005 CST. Trees down and significant crop damage on the southeast side of Stacy. This was an estimated width. |
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 (KMPX), launched 00:00Z, 1.5 hours before the alert went out and 83 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
- 1285 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1034 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 287 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 9.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSP 220132 RRA SVRMSP MNC059-220215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 829 PM CDT FRI JUL 21 1995 THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MINNESOTA ...ISANTI COUNTY AT 830 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WEST OF CAMBRIDGE OR 25 MILES NORTH OF MINNEAPOLIS. THIS STORM WAS MOVING EAST AT 10 MPH AND WILL EFFECT THE CITIES OF CAMBRIDGE...SPRINGDALE ...STANCHFIELD AND GRANDY. PERSONS IN THESE AREAS CAN EXPECT HEAVY RAIN...SMALL HAIL AND GUSTY WINDS. SEVERE TVHUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL... DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM. PEOPLE IN MOBILE HOMES SHOULD GO TO A STORM SHELTER. HOWIESON
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 7:03 PM CDT | Tornado Warning | MPX | Sherburne | 27 min |
| Jul 21, 7:25 PM CDT | Tornado Warning | MPX | Hennepin | 35 min |
| Jul 21, 7:28 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Sibley | 47 min |
| Jul 21, 7:32 PM CDT | Tornado Warning | MPX | McLeod, Sibley | 43 min |
| Jul 21, 7:34 PM CDT | Tornado Warning | MPX | Isanti | 41 min |
| Jul 21, 7:44 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Redwood | 46 min |
| Jul 21, 7:49 PM CDT | Tornado Warning | MPX | Anoka, Hennepin, Ramsey | 56 min |
| Jul 21, 7:53 PM CDT | Tornado Warning | MPX | Scott | 52 min |
| Jul 21, 8:00 PM CDT | Tornado Warning | MPX | Washington | 45 min |
| Jul 21, 8:04 PM CDT | Tornado Warning | MPX | Chisago | 41 min |
| Jul 21, 8:10 PM CDT | Tornado Warning | MPX | Carver, Sibley | 50 min |
| Jul 21, 8:24 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Redwood | 51 min |
| Jul 21, 8:36 PM CDT | Severe Thunderstorm Warning | MPX | Carver | 69 min |
| Jul 21, 8:49 PM CDT | Tornado Warning | MPX | Chisago, Washington | 26 min |
| Jul 21, 8:53 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Rice | 52 min |
| Jul 21, 9:15 PM CDT | Tornado Warning | MPX | Chisago, Washington | 30 min |
| Jul 21, 9:20 PM CDT | Tornado Warning | MPX | Isanti, Mille Lacs, Sherburne | 40 min |
| Jul 21, 9:29 PM CDT | Tornado Warning | MPX | Scott | 61 min |
| Jul 21, 9:53 PM CDT | Tornado Warning | MPX | Dakota, Rice | 52 min |
| Jul 21, 9:57 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 48 min |
| Jul 21, 10:03 PM CDT | Severe Thunderstorm Warning | MPX | Martin, Watonwan | 57 min |
| Jul 21, 10:05 PM CDT | Tornado Warning | MPX | Isanti | 40 min |
| Jul 21, 10:15 PM CDT | Tornado Warning | MPX | Dakota, Hennepin, Ramsey | 45 min |
| Jul 21, 10:15 PM CDT | Tornado Warning | MPX | Anoka | 45 min |
| Jul 21, 10:25 PM CDT | Tornado Warning | MPX | Chisago | 38 min |
| Jul 21, 10:27 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Le Sueur | 63 min |
| Jul 21, 10:30 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Nicollet | 60 min |
| Jul 22, 12:58 AM CDT | Severe Thunderstorm Warning | MPX | Mower, Olmsted | 32 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.