Alert archive / Illinois / Tornado Warnings in 2003

Tornado Warning 30, NWS Quad Cities, IA

May 14, 2003Henderson County, McDonough County, Illinois

NWS Quad Cities, IA issued this tornado warning at May 14, 2003, 6:37 PM CDT for Henderson County, McDonough County, Illinois. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 14, 2003, 6:37 PM CDT (23:37 UTC)
Expired: May 14, 2003, 7:20 PM CDT
In force: 43 min
Issued by: NWS Quad Cities, IA
Area: Counties, with a storm outline in the text

Counties Henderson County, IL, McDonough County, IL

The radar

The Quad Cities radar (KDVN), 114 km from the middle of the area, began a volume at 23:37 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
May 14, 1:10 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
May 14, 2:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.6 hours before the alert went out and 117 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 5 J/kg
Mixed-layer CIN: -139 J/kg
Mixed-layer LCL: 987 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

423 
WFUS53 KDVN 142337
TORDVN
ILC071-109-150020-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
637 PM CDT WED MAY 14 2003

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN HENDERSON COUNTY IN WEST CENTRAL ILLINOIS   
  MCDONOUGH COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 720 PM CDT

* AT 632 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO OVER LOMAX...OR 9 MILES
  SOUTHEAST OF BURLINGTON...MOVING SOUTHEAST AT 25 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   TERRE HAUTE BY 640 PM CDT.
  6 MILES SOUTHWEST OF RARITAN BY 700 PM CDT.
   BLANDINSVILLE BY 705 PM CDT.
   SCIOTA BY 715 PM CDT.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT OR ON THE
LOWEST FLOOR OF A BUILDING IN AN INTERIOR HALLWAY OR ROOM.

DAMAGING WINDS AND LARGE HAIL ARE ALSO LIKELY WITH THIS DANGEROUS
STORM

LAT...LON 4046 9080 4052 9091 4064 9093 4064 9116
          4081 9108 4069 9080 4063 9079 4063 9067
          4058 9057

$$

JDH

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 14, 12:59 PM CDT	Severe Thunderstorm Warning	DVN	Rock Island	46 min
May 14, 1:34 PM CDT	Severe Thunderstorm Warning	DVN	Henry	41 min
May 14, 6:05 PM CDT	Severe Thunderstorm Warning	DVN	Henderson	55 min
May 14, 6:10 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	60 min
May 14, 6:43 PM CDT	Severe Thunderstorm Warning	DVN	Mercer, Warren	42 min

Nearby

Tornado Warnings in Illinois, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.