Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 215, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Oct 16, 1996, 7:01 PM CDT for Nicollet County, Minnesota. It was in force for 44 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 16, 1996, 7:01 PM CDT (00:01 UTC)
- Expired
- Oct 16, 1996, 7:45 PM CDT
- In force
- 44 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Nicollet County, MN
The radar
The Minneapolis radar (KMPX), 77 km from the middle of the area, began a volume at 00:15 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 16, 7:09 PM CDT | Hail 0.75 | Courtland, 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, 0.0 hours before the alert went out and 76 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
- 809 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1117 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMSP 170002
SVRMSP
MNC103-170045-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
701 PM CDT WED OCT 16 1996
* SEVERE THUNDERSTORM WARNING FOR
CENTRAL NICOLLET COUNTY - SOUTH CENTRAL MINNESOTA
* UNTIL 745 PM CDT
* SOME LOCATIONS AFFECTED
COURTLAND
SWAN LAKE
NICOLLET
* AT 700 PM CDT DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM NEAR
NEW ULM MOVING NORTHEAST AT 25 MPH.
DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!
HAMENWhat 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 16, 3:42 PM CDT, 3 hours 19 minutes before
MNZ004>096-170300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 345 PM CDT WED OCT 16 1996 ...SIGNIFICANT WEATHER CHANGES IN STORE FOR MINNESOTA THROUGH FRIDAY... A CHANGE FROM THE DRY AND RELATIVELY MILD WEATHER MINNESOTA HAS ENJOYED THE PAST SEVERAL DAYS TO MORE TYPICAL AUTUMN WEATHER IS ANTICIPATED TONIGHT THROUGH FRIDAY. A LOW PRESSURE SYSTEM CURRENTLY ON THE KANSAS/NEBRASKA BORDER IS EXPECTED TO RAPIDLY STRENGTHEN AS IT TRACKS TO THE NORTHEAST TONIGHT AND THURSDAY. INCREASING SOUTHERLY WINDS AHEAD OF THE LOW PRESSURE SYSTEM WILL CARRY DEEP MOISTURE NORTHWARD INTO THE AREA TONIGHT. THE END RESULT WILL BE AN EXPANDING AREA OF RAIN OVER MUCH OF CENTRAL AND NORTHERN MINNESOTA THIS EVENING WITH A FEW EMBEDDED THUNDERSTORMS SOUTH. BY MORNING...SOME LOCATIONS MAY HAVE RECEIVED BETWEEN ONE HALF AND ONE INCH OF RAINFALL. < THIS LOW PRESSURE SYSTEM IS EXPECTED TO TRACK ACROSS MINNESOTA DURING THE DAY THURSDAY. MORE RAIN IS LIKELY ACROSS THE STATE WITH A THREAT FOR A RAIN AND SNOW MIXTURE DEVELOPING IN THE NORTHWEST THURSDAY AFTRNOON. VERY STRONG NORTHWEST WINDS WILL DEVELOP OVER WESTERN MINNESOTA ON THURSDAY AND OVERSPREAD THE STATE THURSDAY NIGHT AS THE LOW PRESSURE SYSTEM MOVES NORTHEAST TOWARD THE GREAT LAKES. WIND GUSTS IN EXCESS OF 30 MPH WILL BE POSSIBLE...ESPECIALLY IN THE RED RIVER VALLEY SOUTHWARD THROUGH FERGUS FALLS AND ALEXANDRIA TO MORRIS AND MANKATO. THESE POWERFUL WINDS WILL PULL COLD CANADIAN AIR INTO WESTERN MINNESOTA EVENTUALLY CHANGING THE RAIN TO A RAIN AND SNOW MIXTURE OVER ALL OF THE STATE. THE MAIN THREAT FOR ACCUMULATING SNOW IS IN NORTHWEST MINNESOTA THURSDAY AFTERNOON INTO THURSDAY NIGHT. SNOWFALLS OF ONE TO THREE INCHES...MOSTLY GRASSY AREAS...ARE EXPECTED IN THE THIEF RIVER FALLS... INTERNATIONAL FALLS...BEMIDJI...FOSSTON AND ROSEAU AREAS. THE BURST OF SNOW MAY SWEEP INTO PARTS OF THE ARROWHEAD LATER THURSDAY NIGHT WITH ADDITIONAL ACCU.MULATIONS POSSIBLE IN ELY...CRANE LAKE AND HIBBING. < PERSONS ACROSS MINNESOTA SHOULD CONTINUE TO MONITOR THE LATEST FORECAST CONCERNING THE DEVELOPMENT OF THIS STORM. MBK/DWE
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 16, 7:17 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Scott | 58 min |
| Oct 16, 8:17 PM CDT | Severe Thunderstorm Warning | MPX | Dakota | 43 min |
| Oct 16, 9:15 PM CDT | Severe Thunderstorm Warning | MPX | Isanti, Kanabec | 45 min |
| Oct 17, 12:11 AM CDT | Severe Thunderstorm Warning | MPX | Martin | 49 min |
Nearby
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.