Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 125, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 20, 2006, 3:53 AM CDT for Kenosha County, Milwaukee County, Racine County, Wisconsin. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 20, 2006, 3:53 AM CDT (08:53 UTC)
- Expired
- Jul 20, 2006, 4:35 AM CDT
- In force
- 42 min
- Issued by
- NWS Milwaukee, WI
- Area
- Counties, with a storm outline in the text
Counties Kenosha County, WI, Milwaukee County, WI, Racine County, WI
The radar
The Milwaukee radar (KMKX), 60 km from the middle of the area, began a volume at 08:54 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 19, 11:10 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 8.9 hours before the alert went out and 191 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
- 599 J/kg
- Mixed-layer CIN
- -178 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 238 m²/s²
- 0-3 km storm-relative helicity
- 282 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
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.
NWS Milwaukee, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 20, 2:52 AM CDT, 1 hour 1 minute earlier.
Area forecast discussion, Jul 20, 2:52 AM CDT, 1 hour 1 minute before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 252 AM CDT THU JUL 20 2006 .DISCUSSION...FORECAST FOCUS IS ON LINGERING CONVECTION THIS MORNING...THEN ON RAIN CHANCES FOR THE WEEKEND. RADAR AND SATELLITE LOOPS INDICATE A HUGE MCS OVER ALL OF THE CWA AND STRETCHING WEST TO SOUTHEAST MINNESOTA AND NORTHEAST IOWA. CURRENT MOVEMENT WOULD LINGER SCATTERED SHOWERS AND THUNDERSTORMS OVER MUCH OF THE CWA AFTER 12Z...IN LINE WITH GFS QPF PATTERN. ALL MODELS KEEP SURFACE TROUGH ACROSS SOUTHEAST HALF CWA TILL AROUND 18Z...WITH CONTINUED MOISTURE CONVERGENCE. 65-70 DEW POINTS LINGER ACROSS CWA TILL AROUND 18Z WITH 1500-2500 CAPES. A THETA-E RIDGE ALSO LINGERS NEAR THE ILLINOIS BORDER. I WILL GENERALLY FOLLOW GFS SOLUTION THIS MORNING AND QPF PATTERN...AND KEEP POPS IN FORECAST THIS MORNING INTO AFTERNOON. FOR THIS WEEKEND...NORTHWEST FLOW DEVELOPS WITH SEVERAL SHORT WAVES TRACKING ACROSS WISCONSIN THROUGH WEEKEND. MID AND HIGH LEVEL LAPS RATES SHOULD BE FAIRLY STEEP WITH H500 TEMPERATURES AROUND -14. MODELS ALSO INDICATE A POSSIBLE LF QUAD OF 90KT H300 JET. THERE SHOULD BE ENOUGH H700 MOISTURE IN COMBINATION WITH MID AND UPPER LEVEL DYNAMICS TO GENERATE SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS OVER CWA AT TIMES THROUGH THE WEEKEND. && .MKX WATCHES/WARNINGS/ADVISORIES... NONE. &&
Hazardous weather outlook, Jul 19, 10:00 PM CDT, 5 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1000 PM CDT WED JUL 19 2006 WIZ046-047-051-052-056>060-062>072-200900- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE- LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA- 1000 PM CDT WED JUL 19 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN. .DAY ONE...REST OF TONIGHT THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS OVER A PORTION OF SOUTH CENTRAL WISCONSIN...GENERALLY ALONG AND WEST OF A DELLS...LAKE MILLS TO MONROE LINE. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE REMAINDER OF SOUTHERN WISCONSIN. DAMAGING WINDS AND LARGE HAIL ARE POSSIBLE. SOME OF THE THUNDERSTORMS MAY PRODUCE HEAVY RAIN AND COULD PRODUCE URBAN AND SMALL STREAM FLOOD PROBLEMS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS A CHANCE OF LINGERING THUNDERSTORMS THURSDAY MORNING. THERE IS ALSO A CHANCE OF THUNDERSTORMS SATURDAY...AND FROM SUNDAY NIGHT THROUGH MONDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TONIGHT. LMZ643>646-665-200900- SHEBOYGAN TO PORT WASHINGTON- PORT WASHINGTON TO NORTH POINT LIGHTHOUSE- NORTH POINT LIGHTHOUSE TO WIND POINT- WIND POINT TO WINTHROP HARBOR ILLINOIS- WISCONSIN ADJACENT OPEN WATERS OF LAKE MICHIGAN TO MID LAKE- 1000 PM CDT WED JUL 19 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN. .DAY ONE...TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER SOUTHEAST WISCONSIN AND THE ADJOINING WATERS OF LAKE MICHIGAN TONIGHT. DAMAGING WINDS AND LARGE HAIL ARE POSSIBLE...AS WELL AS LIGHTNING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS A CHANCE OF LINGERING THUNDERSTORMS THURSDAY MORNING. THERE IS ALSO A CHANCE OF THUNDERSTORMS SATURDAY AND FROM SUNDAY NIGHT THROUGH MONDAY NIGHT. REM
In the hours before
Local storm report, Jul 20, 3:00 AM CDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
300 AM CDT THU JUL 20 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0218 AM TSTM WND GST 5 N PORTAGE 43.62N 89.47W
07/20/2006 E60.00 MPH COLUMBIA WI AMATEUR RADIO
0227 AM TSTM WND GST PARDEEVILLE 43.53N 89.30W
07/20/2006 E60.00 MPH COLUMBIA WI AMATEUR RADIO
0234 AM TSTM WND GST 4 WNW MIDDLETON 43.12N 89.58W
07/20/2006 E60.00 MPH DANE WI AMATEUR RADIO
THREE INCH LIMBS BROKEN OFF TREES.
&&
BORGHOFFLocal storm report, Jul 20, 3:04 AM CDT, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
304 AM CDT THU JUL 20 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0255 AM TSTM WND DMG SSE MADISON 43.08N 89.39W
07/20/2006 DANE WI TRAINED SPOTTER
TOP HALF OF A 6 INCH DIAMETER MAPLE TREE BROKEN OFF.
&&
BORGHOFFLocal storm report, Jul 20, 3:13 AM CDT, 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
313 AM CDT THU JUL 20 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0130 AM HAIL 4 W PARDEEVILLE 43.53N 89.38W
07/20/2006 M0.88 INCH COLUMBIA WI TRAINED SPOTTER
0240 AM TSTM WND GST 4 NNE SUN PRAIRIE 43.24N 89.20W
07/20/2006 E60.00 MPH DANE WI CO-OP OBSERVER
&&
BORGHOFFSpecial weather statement, Jul 20, 3:25 AM CDT, 28 minutes before
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</html>The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 9:20 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Jefferson | 25 min |
| Jul 20, 1:18 AM CDT | Severe Thunderstorm Warning | MKX | Columbia | 42 min |
| Jul 20, 1:58 AM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Iowa, Sauk | 62 min |
| Jul 20, 2:19 AM CDT | Severe Thunderstorm Warning | MKX | Green, Lafayette | 56 min |
| Jul 20, 2:25 AM CDT | Special Marine Warning | MKX | 2 hr | |
| Jul 20, 2:44 AM CDT | Severe Thunderstorm Warning | MKX | Dodge, Jefferson, Rock | 61 min |
| Jul 20, 2:57 AM CDT | Severe Thunderstorm Warning | MKX | Dane | 18 min |
| Jul 20, 3:02 AM CDT | Severe Thunderstorm Warning | MKX | Walworth, Waukesha | 58 min |
| Jul 20, 3:21 AM CDT | Severe Thunderstorm Warning | MKX | Washington | 39 min |
| Jul 20, 4:26 AM CDT | Special Marine Warning | MKX | 37 min | |
| Jul 20, 6:14 AM CDT | Severe Thunderstorm Warning | MKX | Dane, Green | 31 min |
| Jul 20, 6:37 AM CDT | Severe Thunderstorm Warning | MKX | Green, Rock | 38 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2006Every severe thunderstorm warning in 2006
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.