Alert archive / Wisconsin / Tornado Warnings in 2020
Tornado Warning 13, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jul 14, 2020, 4:23 PM CDT for Eau Claire County, Wisconsin. It was in force for 21 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 14, 2020, 4:23 PM CDT (21:23 UTC)
- Expired
- Jul 14, 2020, 4:44 PM CDT
- In force
- 21 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Eau Claire County, WI
The radar
The La Crosse radar (KARX), 95 km from the middle of the area, began a volume at 21:25 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.4 hours before the alert went out and 204 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
- 1202 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 835 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- -88 m²/s²
- Significant tornado parameter
- -0.2
- Supercell composite
- -2.9
The text
As transmitted.
345
WFUS53 KMPX 142123
TORMPX
WIC035-142200-
/O.NEW.KMPX.TO.W.0013.200714T2123Z-200714T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
423 PM CDT Tue Jul 14 2020
The National Weather Service in The Twin Cities has issued a
* Tornado Warning for...
Southeastern Eau Claire County in west central Wisconsin...
* Until 500 PM CDT.
* At 422 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Augusta, or 19 miles southeast of Eau Claire,
moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Fairchild around 435 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4465 9119 4474 9115 4474 9093 4470 9092
4461 9092 4460 9093
TIME...MOT...LOC 2122Z 275DEG 37KT 4469 9112
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
BPH2 follow-up statements
532
WWUS53 KMPX 142134
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
434 PM CDT Tue Jul 14 2020
WIC035-142200-
/O.CON.KMPX.TO.W.0013.000000T0000Z-200714T2200Z/
Eau Claire WI-
434 PM CDT Tue Jul 14 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN EAU CLAIRE COUNTY...
At 434 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Fairchild, or 19 miles northwest of Neillsville,
moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
southeastern Eau Claire County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4464 9113 4474 9107 4474 9093 4470 9092
4461 9092 4460 9093
TIME...MOT...LOC 2134Z 255DEG 44KT 4469 9094
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
BPH287
WWUS53 KMPX 142144
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
444 PM CDT Tue Jul 14 2020
WIC035-142154-
/O.CAN.KMPX.TO.W.0013.000000T0000Z-200714T2200Z/
Eau Claire WI-
444 PM CDT Tue Jul 14 2020
...THE TORNADO WARNING FOR SOUTHEASTERN EAU CLAIRE COUNTY IS
CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
The Twin Cities.
LAT...LON 4464 9113 4474 9107 4474 9093 4470 9092
4461 9092 4460 9093
TIME...MOT...LOC 2144Z 275DEG 37KT 4468 9079
$$
BPHThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 7:49 AM CDT | Special Weather Statement | MPX | Saint Croix | 41 min |
| Jul 14, 8:06 AM CDT | Special Weather Statement | MPX | Dunn | 39 min |
| Jul 14, 8:11 AM CDT | Special Weather Statement | MPX | Eau Claire | 2 hr |
| Jul 14, 10:21 AM CDT | Special Weather Statement | MPX | Eau Claire, Pepin | 114 min |
| Jul 14, 3:53 PM CDT | Special Weather Statement | MPX | Eau Claire | 82 min |
| Jul 14, 4:00 PM CDT | Special Weather Statement | MPX | Eau Claire | 30 min |
| Jul 14, 4:10 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 35 min |
Nearby
Tornado Warnings in Wisconsin, 2020Every tornado warning in 2020Tornadoes in 2020
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.