Alert archive / Illinois / Flash Flood Warnings in 1996

Flash Flood Warning 41, NWS Paducah, KY

May 10, 1996Jackson County, Williamson County, Illinois

NWS Paducah, KY issued this flash flood warning at May 10, 1996, 8:15 PM CDT for Jackson County, Williamson County, Illinois. It was in force for 3 hr. 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 10, 1996, 8:15 PM CDT (01:15 UTC)
Expired
May 10, 1996, 11:15 PM CDT
In force
3 hr
Issued by
NWS Paducah, KY
Area
Whole counties

Counties Jackson County, IL, Williamson County, IL

The radar

The Paducah radar (KPAH), 84 km from the middle of the area, began a volume at 01:16 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

Lincoln, IL (KILX), launched 00:00Z, 1.3 hours before the alert went out and 270 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, Lincoln, IL at 00:00Z on 1996-05-11Temperature 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, Lincoln, IL at 00:00Z on 1996-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
539 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 10, 9:16 PM CDTFlash Flood WarningPAHGallatin, Saline, White4 hr
May 10, 11:27 PM CDTFlash Flood WarningPAHGallatin, Hardin, Saline, White5 hr
May 10, 11:27 PM CDTFlash Flood WarningPAHJackson, Union, Williamson5 hr
May 10, 11:27 PM CDTFlash Flood WarningPAHJohnson, Pope5 hr
May 10, 7:14 PM CDTFlash Flood WarningPAHWayne4 hr
May 10, 8:02 PM CDTSevere Thunderstorm WarningPAHBollinger, Cape Girardeau43 min

Nearby

Flash Flood Warnings in Illinois, 1996Every flash flood warning in 1996

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.