Alert archive / Minnesota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 138, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 15, 1994, 3:32 PM CDT for Yellow Medicine County, Minnesota. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Jul 15, 1994, 3:32 PM CDT (20:32 UTC)
- Expired
- Jul 15, 1994, 4:30 PM CDT
- In force
- 58 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Yellow Medicine County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 8.5 hours before the alert went out and 180 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
- 50 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 1106 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Jul 15, 12:18 PM CDT, 3 hours 14 minutes before
MNZ054-056-064-065>067-071>075-151830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 1215 PM CDT FRI JUL 15 1994 ...THUNDERSTORMS IN SOUTHWESTERN MINNESOTA... RADAR INDICATED THAT THUNDERSTORMS HAD DEVELOPED ACROSS SOUTHWESTERN MINNESOTA BY NOON-TIME. MORE THUNDERSTORMS ARE EXPECTED THIS AFTERNOON. A COUPLE OF FUNNEL CLOUDS NEAR LAMBERTON...OR ABOUT 30 MILES SOUTHEAST OF MARSHALL MINNESOTA...HAD BEEN SIGHTED AROUND NOON. MORE FUNNELS COULD OCCUR THIS AFTERNOON. THE WEATHER PATTERN IS SUCH THAT ANY TOUCHDOWNS...IF THEY OCCUR...SHOULD BE VERY BRIEF. NEVERTHELESS...SHOULD YOU SEE A FUNNEL CLOUD...BE PREPARED TO MOVE TO A PLACE OF SAFETY. NAISTAT
Special weather statement, Jul 15, 2:06 PM CDT, 1 hour 26 minutes before
MNZ059-065>067-073-151830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 200 PM CDT FRI JUL 15 1994 ...THUNDERSTORMS IN SOUTHWESTERN MINNESOTA... STRONG THUNDERSTORMS WERE LOCATED IN SOUTHWEST MINNESOTA. THESE THUNDERSTORMS WERE IN A LINE FROM NORTH OF MARSHALL...NEAR COTTONWOOD SOUTHEAST THROUGH SLEEPY EYE AND ST JAMES TO MADELIA 25 MILES SOUTHWEST OF MANKATO. THESE THUNDERSTORMS ARE CAPABLE OF VERY HEAVY RAINS...STRONG GUSTY WINDS... FREQUENT LIGHTNING AND HAIL. NO SEVERE WEATHER IS EXPECTED FROM THESE THUNDERSTORMS. HOWEVER...SOME FUNNEL CLOUDS HAVE BEEN SIGHTED. IF ANY OCCUR THIS AFTERNOON THE WEATHER PATTERN IS SUCH THAT ANY TOUCHDOWNS ...IF THEY OCCUR...SHOULD BE VERY BRIEF. NEVERTHELESS...SHOULD YOU SEE A FUNNEL CLOUD...BE PREPARED TO MOVE TO A PLACE OF SAFETY.
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 3:40 PM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 50 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.