Alert archive / Illinois / Special Weather Statements in 2014

Special Weather Statement, NWS Lincoln, IL

May 8, 2014Marshall County, Illinois

NWS Lincoln, IL issued this special weather statement at May 8, 2014, 6:33 PM CDT for Marshall County, Illinois. 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 outline as issued.

The facts

Issued: May 8, 2014, 6:33 PM CDT (23:33 UTC)
Expired: May 8, 2014, 7:15 PM CDT
In force: 42 min
Issued by: NWS Lincoln, IL

County Marshall County, IL

The radar

The Lincoln radar (KILX), 81 km from the middle of the area, began a volume at 23:34 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

Davenport, (KDVN), launched 12:00Z, 11.6 hours before the alert went out and 115 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: 1312 J/kg
Mixed-layer CIN: -181 J/kg
Mixed-layer LCL: 1159 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: -27 m²/s²
0-3 km storm-relative helicity: -40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 8, 6:11 PM CDT, 22 minutes earlier.

Area forecast discussion, May 8, 6:11 PM CDT, 22 minutes before

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Hazardous weather outlook, May 8, 3:04 PM CDT, 3 hours 29 minutes before

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In the hours before

Special weather statement, May 8, 5:09 PM CDT, 1 hour 24 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
509 PM CDT THU MAY 8 2014

ILZ027-082300-
KNOX-
509 PM CDT THU MAY 8 2014

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN KNOX COUNTY UNTIL
600 PM CDT...

AT 505 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR ABINGDON...OR 11 MILES SOUTHWEST OF
GALESBURG...MOVING NORTHEAST AT 45 MPH.

SMALL HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
  GALESBURG...
  KNOXVILLE...
  WATAGA...
  RIO...
  ONEIDA...
  VICTORIA...

OTHER LOCATIONS AFFECTED INCLUDE...GALESBURG AIRPORT...EAST GALESBURG
AND HENDERSON.

PEOPLE NEAR THESE LOCATIONS SHOULD MONITOR THE WEATHER SITUATION
CLOSELY. LISTEN FOR POSSIBLE WARNINGS...AND BE PREPARED TO TAKE
APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN.

LAT...LON 4112 8999 4072 9040 4072 9041 4074 9045
      4115 9045 4115 8999
TIME...MOT...LOC 2209Z 211DEG 38KT 4085 9044

BARNES

Special weather statement, May 8, 6:05 PM CDT, 28 minutes before

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Special weather statement, May 8, 6:33 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 5:09 PM CDT	Special Weather Statement	ILX	Knox	51 min
May 8, 5:11 PM CDT	Severe Thunderstorm Warning	ILX	Knox	34 min
May 8, 6:05 PM CDT	Special Weather Statement	ILX	Fulton	25 min

Nearby

Special Weather Statements in Illinois, 2014 Every special weather statement in 2014

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.