Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 238, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 16, 2007, 2:28 PM CDT for Yellow Medicine County, Minnesota. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 16, 2007, 2:28 PM CDT (19:28 UTC)
- Expired
- Jul 16, 2007, 3:05 PM CDT
- In force
- 37 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Yellow Medicine County, MN
The radar
The Sioux Falls radar (KFSD), 134 km from the middle of the area, began a volume at 19:29 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 16, 2:07 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 7.5 hours before the alert went out and 174 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
- 1069 J/kg
- Mixed-layer CIN
- -282 J/kg
- Mixed-layer LCL
- 1289 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 237 m²/s²
- 0-3 km storm-relative helicity
- 250 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 161928 SVRMPX MNC173-162030- /O.NEW.KMPX.SV.W.0238.070716T1928Z-070716T2030Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 228 PM CDT MON JUL 16 2007 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... YELLOW MEDICINE COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 330 PM CDT * AT 225 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 14 MILES WEST OF CANBY... OR ABOUT 7 MILES SOUTHEAST OF CLEAR LAKE...AND MOVING SOUTHEAST AT 35 MPH. * LOCATIONS IMPACTED INCLUDE... CANBY... PORTER... SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED. LAT...LON 4480 9609 4480 9645 4463 9645 4463 9595 $$
2 follow-up statements
000 WWUS53 KMPX 161950 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 248 PM CDT MON JUL 16 2007 MNC173-162030- /O.CON.KMPX.SV.W.0238.000000T0000Z-070716T2030Z/ YELLOW MEDICINE MN- 248 PM CDT MON JUL 16 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR YELLOW MEDICINE COUNTY... AT 247 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS 5 MILES WEST OF CANBY ...AND MOVING SOUTHEAST AT 35 MPH. LOCATIONS IN THE WARNING INCLUDE CANBY AND PORTER. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED. LAT...LON 4477 9608 4476 9645 4463 9645 4463 9607 $$
000 WWUS53 KMPX 162005 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 303 PM CDT MON JUL 16 2007 MNC173-162013- /O.CAN.KMPX.SV.W.0238.000000T0000Z-070716T2030Z/ YELLOW MEDICINE MN- 303 PM CDT MON JUL 16 2007 ...THE SEVERE THUNDERSTORM WARNING FOR YELLOW MEDICINE COUNTY IS CANCELLED... RADAR INDICATED THAT THE SEVERE THUNDERSTORM HAD MOVED OUT OF THE WARNED AREA. THUS THE WARNING HAS BEEN CANCELLED. OTHER STRONG THUNDERSTORMS WERE MOVING ALONG THE MINNESOTA SOUTH DAKOTA BORDER...WEST OF MADISON AND CANBY. THESE STORMS STILL ARE CAPABLE OF PRODUCING PEA TO MARBLE SIZE HAIL AND WIND GUSTS TO 50 MPH AS THEY MOVE THROUGH. BE PREPARED TO MOVE INDOORS IF THREATENING WEATHER APPROACHES YOUR AREA. LAT...LON 4477 9608 4476 9645 4463 9645 4463 9607 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 5:09 PM CDT | Severe Thunderstorm Warning | MPX | Martin | 51 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2007Every severe thunderstorm warning in 2007
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; radar from the NEXRAD Level II archive.