Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 230, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Oct 29, 1996, 6:28 PM CST for Anoka County, Sherburne County, Wright County, Minnesota. It was in force for 32 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
- Oct 29, 1996, 6:28 PM CST (00:28 UTC)
- Expired
- Oct 29, 1996, 7:00 PM CST
- In force
- 32 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Anoka County, MN, Sherburne County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 50 km from the middle of the area, began a volume at 00:27 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 |
|---|---|---|---|
| Oct 29, 6:35 PM CST | Hail 0.75 | Elk River, 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.5 hours before the alert went out and 50 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
- 333 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 894 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMSP 300030 RRA
SVRMSP
MNC003-141-171-300100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
628 PM CST TUE OCT 29 1996
* SEVERE THUNDERSTORM WARNING FOR
NORTHWESTERN ANOKA COUNTY - EAST CENTRAL MINNESOTA
EXTREME SOUTHEASTERN SHERBURNE COUNTY - CENTRAL MINNESOTA
EXTREME NORTHEASTERN WRIGHT COUNTY - CENTRAL MINNESOTA
* UNTIL 700 PM CST
* SOME LOCATIONS AFFECTED
ELK RIVER
ROGERS
DAYTON
* AT 627 PM CDT DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM NEAR
ALBERTVILLE OR 30 MILES NORTHWEST OF MINNEAPOLIS MOVING NORTHEAST
AT 40 MPH.
DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWvAY FROM WINDOWS!
MCBEATH PETERSWhat 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, Oct 29, 3:42 PM CST, 2 hours 46 minutes before
MNZ004>096-300600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHANHASSEN/TWIN CITIES MN 345 PM CST TUE OCT 29 1996 ...COLD AIR ARRIVES LATE TONIGHT OVER THE STATE... A STRONG LATE AUTUMN STORM WAAS POSITIONED OVER EXTREME SOUTHEAST SOUTH DAKOTA LATE THIS AFTERNOON. THIS STORM IS FORECAST TO MOVE ACROSS EXTREME SOUTHERN MINNESOTA TONIGHT AND OVER THE NORTHERN GREAT LAKES BY EARLY WEDNESDAY. ALONG WITH THE STONG WINDS EXPECTED WITH THE STORM...THE FIRST REAL COLD AIR INVASION OF THE SEASON WILL DROP OVER MINNESOTA. THE RAIN AND THUNDERSTORMS THE STATE SAW TUESDAY AFTERNOON AND EVENING WILL GRADUALLY PULL EAST OF THE REGION. AS THE COLD AIR ARRIVES HOWEVER...ANY REMAINING PRECIPTATIO WILL CHANGE OVER TO SNOW. THIS WILL MOST LIKELY OCCUR OVER NORTHWEST MINNESOTA THIS EVENING AND SPREAD OVER THE CENTRAL ANF NORTHEAST DURING THE NIGHT. ANY ACCUMUALTION OF SNOW SHOULD REMAIN ON THE LIGHT SIDE HOWEVER... GENERALLY LESS THAN AN INCH AND MAINLY OVER THE FAR NORTH. THERE MAY BE SOME CLEARING DEVELOPING OVER THE STATE DURING THE NIGHT...MAKING IT INTO THE EAST TOWARD DAWN. THE COMBINATION OF STRONG WINDS AND COLD TEMPERATURES...WILL CAUSE WINTERY WIND CHILLS. WIND CHILLS WILL PROBABLY RANGE AROUND 10 BELOW ZERO IN THE NORTHWEST TO THE SINGLE DIGITS IN THE SOUTHEAST...AT LEAST FOR THE FIRST PART OF WEDNESDAY. BE PREPARED FOR THE FIRST REAL COLD WAVE OF SEASON. IT WILL FEEL LIKE WINTER ON WEDNESDAY ACROSS THE ENTIRE STATE. DWE
Special weather statement, Oct 29, 3:45 PM CST, 2 hours 43 minutes before
MNZ004>096-300600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHANHASSEN/TWIN CITIES MN 345 PM CST TUE OCT 29 1996 ...COLD AIR ARRIVES LATE TONIGHT OVER THE STATE... A STRONG LATE AUTUMN STORM WAAS POSITIONED OVER EXTREME SOUTHEAST SOUTH DAKOTA LATE THIS AFTERNOON. THIS STORM IS FORECAST TO MOVE ACROSS EXTREME SOUTHERN MINNESOTA TONIGHT AND OVER THE NORTHERN GREAT LAKES BY EARLY WEDNESDAY. ALONG WITH THE STONG WINDS EXPECTED WITH THE STORM...THE FIRST REAL COLD AIR INVASION OF THE SEASON WILL DROP OVER MINNESOTA. THE RAIN AND THUNDERSTORMS THE STATE SAW TUESDAY AFTERNOON AND EVENING WILL GRADUALLY PULL EAST OF THE REGION. AS THE COLD AIR ARRIVES HOWEVER...ANY REMAINING PRECIPTATIO WILL CHANGE OVER TO SNOW. THIS WILL MOST LIKELY OCCUR OVER NORTHWEST MINNESOTA THIS EVENING AND SPREAD OVER THE CENTRAL ANF NORTHEAST DURING THE NIGHT. ANY ACCUMUALTION OF SNOW SHOULD REMAIN ON THE LIGHT SIDE HOWEVER... GENERALLY LESS THAN AN INCH AND MAINLY OVER THE FAR NORTH. THERE MAY BE SOME CLEARING DEVELOPING OVER THE STATE DURING THE NIGHT...MAKING IT INTO THE EAST TOWARD DAWN. THE COMBINATION OF STRONG WINDS AND COLD TEMPERATURES...WILL CAUSE WINTERY WIND CHILLS. WIND CHILLS WILL PROBABLY RANGE AROUND 10 BELOW ZERO IN THE NORTHWEST TO THE SINGLE DIGITS IN THE SOUTHEAST...AT LEAST FOR THE FIRST PART OF WEDNESDAY. BE PREPARED FOR THE FIRST REAL COLD WAVE OF SEASON. IT WILL FEEL LIKE WINTER ON WEDNESDAY ACROSS THE ENTIRE STATE. DWE
Local storm report, Oct 29, 3:46 PM CST, 2 hours 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MINNESOTA
446 PM CDT TUE OCT 29 1996
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0230-0245PM MILROY MN WIND DAMAGE
10/29/96 REDWOOD ROOF OFF OUT BUILDINGLocal storm report, Oct 29, 3:53 PM CST, 2 hours 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MINNESOTA
446 PM CDT TUE OCT 29 1996
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCnATION....
0230-0245PM MILROY MN WIND DAMAGE
10/29/96 REDWOOD ROOF OFF OUT BUILDINGNearby
Severe Thunderstorm Warnings in Minnesota, 1996Every severe thunderstorm warning in 1996
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.