Alert archive / Illinois / Wind Advisories in 2021
Wind Advisory 1, NWS Chicago, IL
NWS Chicago, IL issued this wind advisory at Feb 4, 2021, 7:36 PM CST for Ford County, Iroquois County, Illinois; Benton County, Indiana. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Feb 4, 2021, 7:36 PM CST (01:36 UTC)
- Expired
- Feb 5, 2021, 12:00 AM CST
- In force
- 4 hr
- Issued by
- NWS Chicago, IL
Counties Ford County, IL, Iroquois County, IL, Benton County, IN
The radar
The Chicago radar (KLOT), 109 km from the middle of the area, began a volume at 01:34 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
Lincoln, IL (KILX), launched 00:00Z, 1.6 hours before the alert went out and 89 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 522 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- -165 m²/s²
- 0-3 km storm-relative helicity
- -57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
117 WWUS73 KLOT 050136 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 736 PM CST Thu Feb 4 2021 ILZ033-039-INZ019-050600- /O.NEW.KLOT.WI.Y.0001.210205T0136Z-210205T0600Z/ Iroquois-Ford-Benton- Including the cities of Watseka, Gilman, Paxton, Gibson City, Fowler, and Oxford 736 PM CST Thu Feb 4 2021 /836 PM EST Thu Feb 4 2021/ ...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT CST /1 AM EST/ TONIGHT... * WHAT...West winds 25 to 35 mph with gusts up to 50 mph. * WHERE...In Indiana, Benton County. In Illinois, Iroquois and Ford Counties. * WHEN...Until midnight CST /1 AM EST/ tonight. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Brief reduced visibility to 1 mile in falling snow with the gusty winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle on north south roadways. Secure outdoor objects. && $$
1 follow-up statement
208 WWUS73 KLOT 050602 NPWLOT URGENT - WEATHER MESSAGE National Weather Service Chicago IL 1202 AM CST Fri Feb 5 2021 ILZ033-039-INZ019-050715- /O.EXP.KLOT.WI.Y.0001.000000T0000Z-210205T0600Z/ Iroquois-Ford-Benton- Including the cities of Watseka, Gilman, Paxton, Gibson City, Fowler, and Oxford 1202 AM CST Fri Feb 5 2021 /102 AM EST Fri Feb 5 2021/ ...WIND ADVISORY HAS EXPIRED... It will remain windy overnight and into Friday, though wind speeds have begun to ease since Thursday evening and will fall below wind advisory criteria shortly. Therefore the wind advisory has been allowed to expire as scheduled. $$
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 5, 2:24 PM CST | Winter Weather Advisory | LOT | Cook, DeKalb, DuPage, Ford, Grundy, Iroquois and 8 more | 31 hr |
| Feb 5, 5:54 PM CST | Small Craft Advisory | LOT | 15 hr |
Nearby
Wind Advisories in Illinois, 2021Wind Advisories in Indiana, 2021Every wind advisory in 2021
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.