Alert archive / Illinois / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 57, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 1, 2010, 10:01 PM CDT for Henderson County, Warren County, Illinois. It was in force for 59 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
- Jun 1, 2010, 10:01 PM CDT (03:01 UTC)
- Expired
- Jun 1, 2010, 11:00 PM CDT
- In force
- 59 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Henderson County, IL, Warren County, IL
The radar
The Quad Cities radar (KDVN), 88 km from the middle of the area, began a volume at 03:01 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 |
|---|---|---|---|
| Jun 1, 6:25 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 3.0 hours before the alert went out and 90 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
- 152 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 2103 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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 Quad Cities, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 1, 3:12 PM CDT, 6 hours 49 minutes earlier.
Area forecast discussion, Jun 1, 3:12 PM CDT, 6 hours 49 minutes before
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</html>Hazardous weather outlook, Jun 1, 3:59 PM CDT, 6 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE QUAD CITIES IA IL 359 PM CDT TUE JUN 1 2010 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-022100- BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON- HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL- WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON- WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK- 359 PM CDT TUE JUN 1 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST MISSOURI. .DAY ONE...THIS AFTERNOON AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT ACROSS THE ENTIRE OUTLOOK AREA. THIS EVENING...THE PRIMARY THREAT WILL BE FOR LARGE HAIL AND DAMAGING WINDS. IN ADDITION...OVERNIGHT THE STORMS MAY PRODUCE LOCALLY HEAVY RAINFALL. A WARMER AND MORE MOIST AIRMASS WILL MOVE INTO THE AREA FROM THE SOUTHWEST...SETTING UP A WARM FRONT UPON WHICH THE SHOWERS AND THUNDERSTORMS WILL FOCUS. AIRMASS PROFILES INDICATE THAT THE MAIN THREAT FOR THIS EVENING AND TONIGHT IS FOR DAMAGING WINDS AND POSSIBLY LARGE HAIL. LATER IN THE EVENING AND OVERNIGHT THE STORMS WILL SLOW DOWN AND WILL HAVE MORE MOISTURE TO WORK WITH...CHANGING THE THREAT OVER TO HEAVY RAINFALL...WITH POSSIBLE FLASH FLOODING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY SEVERE STORMS ARE POSSIBLE WEDNESDAY AND WEDNESDAY NIGHT. THE RISK OF SEVERE STORMS WILL BE GREATEST SOUTH OF INTERSTATE 80...WHERE THE STORM PREDICTION CENTER HAS PLACED A SLIGHT RISK. CONDITIONS MAY BE FAVORABLE FOR SUPERCELL THUNDERSTORMS WITH LARGE HAIL...DAMAGING WIND AND HEAVY RAINFALL IN SOUTHEAST IOWA...FAR NORTHEAST MISSOURI INTO WEST CENTRAL ILLINOIS FROM MID AFTERNOON INTO EARLY EVENING. THE MAIN SEVERE THREAT WILL LIKELY CHANGE TO DAMAGING WIND AND LOCALLY HEAVY RAINFALL WEDNESDAY NIGHT. HEAVY RAINFALL MAY LEAD TO FLASH FLOODING AND POSSIBLE RIVER FLOODING...ESPECIALLY IN LOCATIONS THAT RECEIVE REPEATED HEAVY RAINFALL EVENTS TUESDAY THROUGH WEDNESDAY NIGHT. THUNDERSTORMS ARE POSSIBLE AGAIN FRIDAY NIGHT...SATURDAY...AND SATURDAY NIGHT. IT IS TOO SOON TO DETERMINE THE POTENTIAL FOR SEVERE WEATHER. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TONIGHT. LE
In the hours before
Local storm report, Jun 1, 8:03 PM CDT, 1 hour 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
803 PM CDT TUE JUN 01 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0801 PM TSTM WND GST 7 SW VINTON 42.09N 92.12W
06/01/2010 E45 MPH BENTON IA EMERGENCY MNGR
ESTIMATED 40 TO 45 MPH WIND GUSTS WITH PEA SIZED HAIL.
&&
LEGROLocal storm report, Jun 1, 8:06 PM CDT, 1 hour 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
806 PM CDT TUE JUN 01 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0755 PM TSTM WND GST FAIRFIELD MUNICIPAL AIR 41.05N 91.98W
06/01/2010 M49 MPH JEFFERSON IA AWOS
&&
LEGROLocal storm report, Jun 1, 8:19 PM CDT, 1 hour 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
819 PM CDT TUE JUN 01 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0818 PM HEAVY RAIN 6 NE VAN HORNE 42.08N 92.03W
06/01/2010 M1.18 INCH BENTON IA TRAINED SPOTTER
MEASURED IN 25 MINUTES...ALONG WITH PEA SIZE HAIL.
&&
LEGROSpecial weather statement, Jun 1, 8:34 PM CDT, 1 hour 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 834 PM CDT TUE JUN 1 2010 IAZ051>053-020300- BENTON-LINN-JONES- INCLUDING THE CITIES OF...VINTON...CEDAR RAPIDS...ANAMOSA 834 PM CDT TUE JUN 1 2010 ...STRONG THUNDERSTORMS WITH HEAVY RAIN AND SMALL HAIL... AT 832 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SMALL CLUSTER OF THUNDERSTORMS FROM JUST EAST OF VINTON...TO ALBURNETT AND TO NORTHWEST OF ANAMOSA MOVING EAST AT 30 MPH. THESE STORMS WILL AFFECT THE SHELLSBURG...NORTHERN CEDAR RAPIDS METRO AREA...MONTICELLO AND ANAMOSA AREAS THROUGH 945 PM. THESE AREAS WILL BE IMPACTED BY VERY HEAVY RAINFALL AT RATES OF AN INCH AND A HALF AN HOUR...WIND GUSTS UP TO 45 MPH...AND POSSIBLE SOME SMALL HAIL AS THEY PASS BY. EXCESSIVE RUNOFF FROM THE HEAVY RAINFALL WILL CAUSE ELEVATED LEVELS ON SMALL CREEKS AND STREAMS...AND PONDING OF WATER IN URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER POOR DRAINAGE AREAS AND LOW LYING SPOTS. MOVE INDOORS AND AWAY FROM WINDOWS AS THESE STORM APPROACH. 12
Local storm report, Jun 1, 8:53 PM CDT, 1 hour 8 minutes before
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</html>Local storm report, Jun 1, 9:08 PM CDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
908 PM CDT TUE JUN 01 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0745 PM TSTM WND DMG HEDRICK 41.17N 92.31W
06/01/2010 KEOKUK IA FIRE DEPT/RESCUE
NUMEROUS 4 TO 8 INCH TREE BRANCHES DOWN THROUGHOUT TOWN.
POWER IS ALSO OUT.
0745 PM TSTM WND GST HEDRICK 41.17N 92.31W
06/01/2010 E60 MPH KEOKUK IA FIRE DEPT/RESCUE
&&
LEGROThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 7:21 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Keokuk, Van Buren, Washington | 54 min |
| Jun 1, 8:13 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Jefferson, Johnson, Keokuk, Lee and 4 more | 62 min |
| Jun 1, 10:07 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Iowa, Jefferson, Johnson, Keokuk, Louisa and 2 more | 53 min |
| Jun 1, 10:46 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson, Lee, Van Buren | 74 min |
| Jun 1, 11:06 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Jefferson, Louisa, Washington | 69 min |
| Jun 2, 7:19 AM CDT | River Flood Warning | DVN | Des Moines, Henry, Lee | 13 hr |
| Jun 2, 9:31 AM CDT | River Flood Warning | DVN | Lee | 19 hr |
| Jun 1, 11:32 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson, Henry, McDonough, Mercer, Warren | 73 min |
| Jun 1, 11:46 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, McDonough | 74 min |
| Jun 2, 1:12 AM CDT | Special Weather Statement | DVN | Henry, Rock Island | 2 hr |
| Jun 2, 1:14 AM CDT | Special Weather Statement | DVN | Henry, Rock Island | 2 hr |
| Jun 2, 1:57 AM CDT | Special Weather Statement | DVN | Bureau, Putnam | 48 min |
| Jun 2, 12:46 PM CDT | River Flood Warning | DVN | Hancock, McDonough | 21 hr |
Nearby
Severe Thunderstorm Warnings in Illinois, 2010Every severe thunderstorm warning in 2010
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.