Alert archive / Wisconsin / Tornado Warnings in 2015
Tornado Warning 1, NWS Milwaukee, WI
NWS Milwaukee, WI issued this tornado warning at Apr 9, 2015, 7:58 PM CDT for Kenosha County, Racine County, Walworth County, Wisconsin. It was in force for 32 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 9, 2015, 7:58 PM CDT (00:58 UTC)
- Expired
- Apr 9, 2015, 8:30 PM CDT
- In force
- 32 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 1.0 in
Counties Kenosha County, WI, Racine County, WI, Walworth County, WI
The radar
The Milwaukee radar (KMKX), 48 km from the middle of the area, began a volume at 01:14 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 |
|---|---|---|---|
| Apr 9, 8:22 PM CDT | HAIL 1.5 | 1 S Pell Lake, WI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 9, 1:48 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 1.0 hours before the alert went out and 199 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
- 338 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 1114 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
933
WFUS53 KMKX 100058
TORMKX
WIC059-101-127-100130-
/O.NEW.KMKX.TO.W.0001.150410T0058Z-150410T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
758 PM CDT THU APR 9 2015
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN RACINE COUNTY IN SOUTHEASTERN WISCONSIN...
WESTERN KENOSHA COUNTY IN SOUTHEASTERN WISCONSIN...
SOUTHEASTERN WALWORTH COUNTY IN SOUTHEASTERN WISCONSIN...
* UNTIL 830 PM CDT
* AT 757 PM CDT...A TORNADO PRODUCING STORM WAS LOCATED OVER
HEBRON...OR NEAR WONDER LAKE...MOVING NORTHEAST AT 65 MPH.
HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL.
SOURCE...RADAR CONFIRMED TORNADO.
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.
* LOCATIONS IMPACTED INCLUDE...
LAKE GENEVA...TWIN LAKES...WILLIAMS BAY...GENOA CITY...WALWORTH...
SILVER LAKE...FONTANA-ON-GENEVA LAKE...PELL LAKE...POWERS LAKE...
BOHNERS LAKE...COMO...BURLINGTON...SPRINGFIELD...BASSETT...NEW
MUNSTER AND SLADES CORNERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. 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.
TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.
&&
LAT...LON 4250 8865 4267 8842 4267 8810 4250 8818
4249 8845 4249 8857
TIME...MOT...LOC 0057Z 227DEG 56KT 4245 8845
TORNADO...OBSERVED
HAIL...1.00IN
$$
BSH2 follow-up statements
259
WWUS53 KMKX 100106
SVSMKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
806 PM CDT THU APR 9 2015
WIC059-101-127-100130-
/O.CON.KMKX.TO.W.0001.000000T0000Z-150410T0130Z/
RACINE WI-KENOSHA WI-WALWORTH WI-
806 PM CDT THU APR 9 2015
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHWESTERN RACINE...WESTERN KENOSHA AND SOUTHEASTERN WALWORTH
COUNTIES...
AT 805 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER POWERS LAKE...OR NEAR TWIN LAKES...MOVING NORTHEAST
AT 65 MPH.
HAZARD...TORNADO AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
LOCATIONS IMPACTED INCLUDE...
LAKE GENEVA...TWIN LAKES...GENOA CITY...SILVER LAKE...BOHNERS LAKE...
PELL LAKE...POWERS LAKE...BURLINGTON...SLADES CORNERS...BASSETT AND
NEW MUNSTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A
MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.
&&
LAT...LON 4250 8853 4267 8837 4267 8810 4250 8818
4249 8845
TIME...MOT...LOC 0105Z 227DEG 56KT 4254 8831
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
BSH996
WWUS53 KMKX 100115
SVSMKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
815 PM CDT THU APR 9 2015
WIC059-101-127-100130-
/O.CON.KMKX.TO.W.0001.000000T0000Z-150410T0130Z/
RACINE WI-KENOSHA WI-WALWORTH WI-
815 PM CDT THU APR 9 2015
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHWESTERN RACINE...WESTERN KENOSHA AND SOUTHEASTERN WALWORTH
COUNTIES...
AT 815 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR EAGLE LAKE...OR NEAR UNION GROVE...MOVING NORTHEAST
AT 65 MPH.
HAZARD...TORNADO AND QUARTER SIZE HAIL.
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.
LOCATIONS IMPACTED INCLUDE...
TWIN LAKES...GENOA CITY...SILVER LAKE...BOHNERS LAKE...PELL LAKE...
POWERS LAKE...BURLINGTON...SLADES CORNERS...BASSETT AND NEW MUNSTER.
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.
TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.
&&
LAT...LON 4250 8843 4267 8828 4267 8810 4250 8818
TIME...MOT...LOC 0115Z 227DEG 56KT 4265 8815
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
BSHThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 7:00 PM CDT | Special Weather Statement | MKX | Washington | 30 min |
| Apr 9, 7:09 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine, Walworth | 36 min |
| Apr 9, 7:16 PM CDT | Severe Thunderstorm Warning | MKX | Rock, Walworth | 29 min |
| Apr 9, 7:26 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine, Walworth | 34 min |
| Apr 9, 7:34 PM CDT | Special Marine Warning | MKX | 56 min | |
| Apr 9, 7:36 PM CDT | Severe Thunderstorm Warning | MKX | Rock, Walworth | 24 min |
| Apr 9, 7:43 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Milwaukee, Racine, Walworth, Waukesha | 32 min |
| Apr 9, 7:48 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine, Walworth | 27 min |
| Apr 9, 8:14 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Milwaukee, Racine | 31 min |
| Apr 9, 8:23 PM CDT | Special Marine Warning | MKX | 82 min | |
| Apr 9, 8:28 PM CDT | Areal Flood Advisory | MKX | Kenosha, Milwaukee, Racine | 2 hr |
| Apr 9, 10:35 PM CDT | Wind Advisory | MKX | Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more | 5 hr |
| Apr 10, 12:27 AM CDT | Gale Warning | MKX | 10 hr | |
| Apr 10, 4:23 AM CDT | River Flood Warning | MKX | Milwaukee | 18 hr |
| Apr 10, 4:23 AM CDT | River Flood Warning | MKX | Racine | 25 hr |
| Apr 10, 3:43 PM CDT | River Flood Watch | MKX | Sauk | 54 hr |
| Apr 10, 3:43 PM CDT | River Flood Watch | MKX | Columbia, Sauk | 29 hr |
| Apr 10, 3:43 PM CDT | River Flood Watch | MKX | Kenosha | 6 hr |
Nearby
Tornado Warnings in Wisconsin, 2015Every tornado warning in 2015Tornadoes in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.