Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 30, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 30, 1994, 2:57 PM CDT for Sherburne County, Minnesota. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- May 30, 1994, 2:57 PM CDT (19:57 UTC)
- Expired
- May 30, 1994, 3:45 PM CDT
- In force
- 48 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Sherburne County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 8.0 hours before the alert went out and 67 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1954 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 197 m²/s²
- 0-3 km storm-relative helicity
- 262 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTC 301957 RRA SVRSTC MNC141-302045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA 257 PM CDT MON MAY 30 1994 THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL MINNESOTA ...SOUTHERN SHERBURNE COUNTY AT 255 PM RADAR INDICATED A SEVERE THUNDERSTORM NEAR BECKER IN SOUTHERN SHERBURNE COUNTY. THE STORM IS MOVING TO THE EAST AT 25 MPH AND IS CAPABLE OF PRODUCING HEAVY RAIN...LARGE HAIL...DANGEROUS LIGHTNING...AND STRONG WINDS. SOME CITIES IN THE PATH OF THIS STORM INCLUDE BIG LAKE AND ELK RIVER. FOR YOUR PROTE`CTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. DO NOT USE THE TELEPHONE UNLESS IT IS AN EMERGENCY. NNNN
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, May 30, 10:30 AM CDT, 4 hours 27 minutes before
MNZ004>096-302100- SPECIAL WEATHER STATEMENT...MINNESOTA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 1030 AM CDT MON MAY 30 1994 ...A GOOD CHANCE FOR SEVERE THUNDERSTORMS OVER MINNESOTA TODAY... THERE IS A GOOD CHANCE FOR SEVERE THUNDERSTORM DEVELOPMENT OVER MUCH OF EAST CENTRAL AND SOUTHEAST MINNESOTA THIS AFTERNOON AND INTO THE EVENING. THE PART OF MINNESOTA WITH THE BEST CHANCE OF SEVERE WEATHER EXTENDS ROUGHLY EAST OF A ROCHESTER TO ST CLOUD TO DULUTH LINE. THIS INCLUDES ALL OF THE TWIN CITIES METRO AREA. SEVERE STORMS PRODUCE DAMAGING STRONG WINDS...LARGE HAIL...FREQUENT LIGHTNING...AND OCCASIONALLY AN ISOLATED TORNADO. DO NOT BE FOOLED BY THE PLEASANT WEATHER THIS MORNING. A POTENTIALLY DANGEROUS WEATHER SITUATION IS DEVELOPING FOR THIS AFTERNOON AND EVENING. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST FORECASTS AND POSSIBLE SEVERE WEATHER WARNINGS. DRB/CWS
Special weather statement, May 30, 10:36 AM CDT, 4 hours 21 minutes before
MNZ004>096-302100- SPECIAL WEATHER STATEMENT...MINNESOTA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 1030 AM CDT MON MAY 30 1994 ...A GOOD CHANCE FOR SEVERE THUNDERSTORMS OVER MINNESOTA TODAY... THERE IS A GOOD CHANCE FOR SEVERE THUNDERSTORM DEVELOPMENT OVER MUCH OF EAST CENTRAL AND SOUTHEAST MINNESOTA THIS AFTERNOON AND INTO THE EVENING. THE PART OF MINNESOTA WITH THE BEST CHANCE OF SEVERE WEATHER EXTENDS ROUGHLY EAST OF A ROCHESTER TO ST CLOUD TO DULUTH LINE. THIS INCLUDES ALL OF THE TWIN CITIES METRO AREA. SEVERE STORMS PRODUCE DAMAGING STRONG WINDS...LARGE HAIL...FREQUENT LIGHTNING...AND OCCASIONALLY AN ISOLATED TORNADO. DO NOT BE FOOLED BY THE PLEASANT WEATHER THIS MORNING. A POTENTIALLY DANGEROUS WEATHER SITUATION IS DEVELOPING FOR THIS AFTERNOON AND EVENING. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST FORECASTS AND POSSIBLE SEVERE WEATHER WARNINGS. DRB/CWS
Special weather statement, May 30, 2:50 PM CDT, 7 minutes before
MNZ004>096-302300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 250 PM CDT MON MAY 30 1994 ...THUNDERSTORMS RAPIDLY DEVELOPING WEST OF THE TWIN CITIES... ...TORNADO WATCH VALID FOR THE TWIN CITES AREA UNTIL 10 PM CDT... A POWERFUL LINE OF THUNDERSTORMS FROM NORTHEAST OF MILLE LACS SOUTHWARD TO NEAR MONTICELLO IS SHOWING SIGNS OF RAPIDLY FILLING IN TO THE WEST OF THE TWIN CITIES METRO AREA. TOWARDS THE SOUTH END OF THIS LINE...MARBLE SIZE HAIL WAS REPORTED AROUND 235 PM ABOUT 5 MILES WEST OF PRINCETON MINNESOTA. BOATERS ON AREA LAKES SHOULD PLAN AHEAD AND BE ABLE TO QUICKLY GET TO SHORE ONCE THESE THUNDERSTORMS MOVE INTO THE WESTERN METRO AREA. THIS LINE OF THUNDERSTORMS WILL LIKELY BRING WIND GUSTS IN EXCESS OF 50 MPH ...HAIL AND DEADLY LIGHTNING STRIKES INTO THE WESTERN TWIN CITES METRO AREA SOMETIME BETWEEN 4 PM AND 5 PM TODAY. WET
Special weather statement, May 30, 2:52 PM CDT, 5 minutes before
MNZ004>096-302300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 250 PM CDT MON MAY 30 1994 ...THUNDERSTORMS RAPIDLY DEVELOPING WEST OF THE TWIN CITIES... ...TORNADO WATCH VALID FOR THE TWIN CITES AREA UNTIL 10 PM CDT... A POWERFUL LINE OF THUNDERSTORMS FROM NORTHEAST OF MILLE LACS SOUTHWARD TO NEAR MONTICELLO IS SHOWING SIGNS OF RAPIDLY FILLING IN TO THE WEST OF THE TWIN CITIES METRO AREA. TOWARDS THE SOUTH END OF THIS LINE...MARBLE SIZE HAIL WAS REPORTED AROUND 235 PM ABOUT 5 MILES WEST OF PRINCETON MINNESOTA. BOATERS ON AREA LAKES SHOULD PLAN AHEAD AND BE ABLE TO QUICKLY GET TO SHORE ONCE THESE THUNDERSTORMS MOVE INTO THE WESTERN METRO AREA. THIS LINE O6F THUNDERSTORMS WILL LIKELY BRING WIND GUSTS IN EXCESS OF 50 MPH ...HAIL AND DEADLY LIGHTNING STRIKES INTO THE WESTERN TWIN CITES METRO AREA SOMETIME BETWEEN 4 PM AND 5 PM TODAY. WET
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 3:02 PM CDT | Severe Thunderstorm Warning | MPX | Wright | 18 min |
| May 30, 3:09 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin | 51 min |
| May 30, 3:24 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Isanti | 51 min |
| May 30, 3:53 PM CDT | Tornado Warning | MPX | Hennepin | 40 min |
| May 30, 3:53 PM CDT | Tornado Warning | MPX | Anoka, Ramsey | 52 min |
| May 30, 4:06 PM CDT | Tornado Warning | MPX | Chisago, Washington | 54 min |
| May 30, 4:20 PM CDT | Tornado Warning | MPX | Anoka, Hennepin, Ramsey | 25 min |
| May 30, 6:22 PM CDT | Severe Thunderstorm Warning | MPX | Dodge, Steele | 38 min |
| May 30, 6:58 PM CDT | Severe Thunderstorm Warning | MPX | Olmsted | 47 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1994Every severe thunderstorm warning in 1994
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.