Alert archive / Illinois / Special Weather Statements in 2009
Special Weather Statement, NWS Lincoln, IL
NWS Lincoln, IL issued this special weather statement at Aug 3, 2009, 1:21 PM CDT for Scott County, Illinois. It was in force for 54 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
- Aug 3, 2009, 1:21 PM CDT (18:21 UTC)
- Expired
- Aug 3, 2009, 2:15 PM CDT
- In force
- 54 min
- Issued by
- NWS Lincoln, IL
County Scott County, IL
The radar
The St Louis radar (KLSX), 109 km from the middle of the area, began a volume at 18:23 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 12:00Z, 6.4 hours before the alert went out and 168 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1853 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS83 KILX 031821
SPSILX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
121 PM CDT MON AUG 3 2009
ILZ049-031915-
SCOTT-
121 PM CDT MON AUG 3 2009
...SIGNIFICANT WEATHER ALERT FOR SCOTT COUNTY UNTIL 215 PM CDT...
AT 117 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR GRIGGSVILLE...OR NEAR PITTSFIELD...MOVING
SOUTHEAST AT 30 MPH.
NICKEL SIZE HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED WITH THIS
STORM.
LOCATIONS IMPACTED INCLUDE...
NAPLES...
WINCHESTER...
ALSEY...
MANCHESTER...
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 3977 9061 3975 9038 3966 9038 3967 9035
3964 9035 3964 9030 3952 9030 3953 9057
3964 9060 3970 9065
TIME...MOT...LOC 1820Z 299DEG 26KT 3967 9077
$$The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 2:25 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 50 min |
| Aug 3, 3:18 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 42 min |
Nearby
Special Weather Statements in Illinois, 2009Every special weather statement in 2009
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.