Alert archive / Illinois / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 37, NWS Lincoln, IL

May 13, 20104 counties in Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 13, 2010, 7:28 AM CDT for 4 counties in Illinois. It was in force for 32 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
May 13, 2010, 7:28 AM CDT (12:28 UTC)
Expired
May 13, 2010, 8:00 AM CDT
In force
32 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Marshall County, IL, McLean County, IL, Tazewell County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 62 km from the middle of the area, began a volume at 12:30 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.

IssuedProductOfficeLasted
May 13, 6:53 AM CDTSevere Thunderstorm WatchSPC2 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 0.5 hours before the alert went out and 147 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.

Skew-T log-pSkew-T log-p diagram, Davenport, at 12:00Z on 2010-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2010-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
-35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at May 13, 6:15 AM CDT, 1 hour 13 minutes earlier.

Area forecast discussion, May 13, 6:15 AM CDT, 1 hour 13 minutes before
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Hazardous weather outlook, May 13, 6:00 AM CDT, 1 hour 28 minutes before
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In the hours before

Local storm report, May 13, 6:42 AM CDT, 46 minutes before
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Local storm report, May 13, 6:43 AM CDT, 45 minutes before
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Local storm report, May 13, 7:12 AM CDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
712 AM CDT THU MAY 13 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     HEAVY RAIN       1 NE DAHINDA            40.96N 90.09W
05/13/2010  M2.45 INCH       KNOX               IL   CO-OP OBSERVER

            24 HOUR TOTAL

&&

DPK
Local storm report, May 13, 7:13 AM CDT, 15 minutes before
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Local storm report, May 13, 7:19 AM CDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
719 AM CDT THU MAY 13 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     HEAVY RAIN       5 NE AVON               40.71N 90.37W
05/13/2010  M2.76 INCH       KNOX               IL   CO-OP OBSERVER

            24 HOUR TOTAL

&&

DPK
Local storm report, May 13, 7:28 AM CDT, 0 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 12, 9:42 PM CDTSpecial Weather StatementILXMarshall48 min
May 13, 12:28 AM CDTSpecial Weather StatementILXKnox47 min
May 13, 1:36 AM CDTSpecial Weather StatementILXKnox, Stark54 min
May 13, 3:52 AM CDTFlash Flood WarningILXFulton, Knox, Peoria, Stark4 hr
May 13, 6:17 AM CDTSevere Thunderstorm WarningILXCass, Menard, Morgan, Sangamon, Scott43 min
May 13, 6:57 AM CDTSevere Thunderstorm WarningILXLogan, Mason, Menard, Tazewell43 min
May 13, 7:53 AM CDTAreal Flood WarningILXFulton, Knox, Marshall, Peoria, Stark6 hr
May 13, 8:09 AM CDTSpecial Weather StatementILXMcLean36 min
May 13, 8:41 AM CDTRiver Flood WarningILXFulton, Knox5 days
May 13, 11:34 AM CDTRiver Flood WarningILXFulton6 days
May 13, 11:41 AM CDTRiver Flood WarningILXFulton, Mason67 days
May 13, 11:41 AM CDTRiver Flood WarningILXBrown, Cass, Morgan, Schuyler84 days

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.