Alert archive / Louisiana / Winter Storm Watches in 2011
Winter Storm Watch 1, NWS Lake Charles, LA
NWS Lake Charles, LA issued this winter storm watch at Feb 2, 2011, 3:22 PM CST for 9 parishes in Louisiana; Hardin County, Tyler County, Texas. It took effect at Feb 3, 2011, 12:00 PM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 2, 2011, 3:22 PM CST (21:22 UTC)
- In effect from
- Feb 3, 2011, 12:00 PM CST
- Expired
- Feb 3, 2011, 4:54 AM CST
- In force
- Issued by
- NWS Lake Charles, LA
Counties Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Evangeline Parish, LA, Lafayette Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Saint Martin Parish, LA, Vernon Parish, LA, Hardin County, TX, Tyler County, TX
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 9.4 hours before the alert went out and 220 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
- 702 m above ground
- 0-6 km bulk shear
- 101 kt
- 0-1 km storm-relative helicity
- -175 m²/s²
- 0-3 km storm-relative helicity
- -126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Lake Charles, LA wrote its last area forecast discussion before this winter storm watch went out at Feb 2, 1:13 PM CST, 2 hours 9 minutes earlier.
Area forecast discussion, Feb 2, 1:13 PM CST, 2 hours 9 minutes before
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</html>Hazardous weather outlook, Feb 2, 5:45 AM CST, 9 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 545 AM CST WED FEB 2 2011 LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-031300- VERNON-RAPIDES-AVOYELLES-BEAUREGARD-ALLEN-EVANGELINE-ST. LANDRY- CALCASIEU-JEFFERSON DAVIS-ACADIA-LAFAYETTE-UPPER ST. MARTIN- CAMERON-VERMILION-IBERIA-ST. MARY-LOWER ST. MARTIN-TYLER-JASPER- NEWTON-HARDIN-JEFFERSON-ORANGE- 545 AM CST WED FEB 2 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL LOUISIANA...SOUTH CENTRAL LOUISIANA...SOUTHWEST LOUISIANA...WEST CENTRAL LOUISIANA AND SOUTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT ARCTIC AIR WILL PREVAIL OVER THE AREA. LOW TEMPERATURES WILL BE IN THE LOWER 20S ACROSS THE LAKES AREA OF SOUTHEAST TEXAS AND CENTRAL LOUISIANA TO MID 20S ALONG INTERSTATE 10...TO UPPER 20S NEAR THE COAST. A HARD FREEZE WARNING WILL BE IN EFFECT FOR ALL BUT SOUTH CENTRAL LOUISIANA...WITH A FREEZE WARNING IN EFFECT FOR SOUTH CENTRAL LOUISIANA. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A VERY COLD AIR MASS WILL REMAIN IN PLACE THROUGH FRIDAY. AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS THE AREA ON THURSDAY NIGHT INTO FRIDAY. THERE WILL BE A CHANCE OF SLEET MIXED WITH FREEZING RAIN...MAINLY NORTHWEST OF A LAFAYETTE TO CAMERON LINE ON THURSDAY NIGHT INTO EARLY FRIDAY MORNING. THERE WILL BE A CHANCE OF SOME ICE ACCUMULATION DURING THAT TIME FRAME...AND INTERESTS SHOULD CONTINUE TO MONITOR THIS DEVELOPING SITUATION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. GMZ430-432-435-450-452-455-470-472-475-031300- SABINE LAKE-CALCASIEU LAKE-VERMILION BAY- COASTAL WATERS FROM CAMERON, LA TO HIGH ISLAND, TX OUT 20 NM- COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON, LA OUT 20 NM- COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY, LA OUT 20 NM- WATERS FROM CAMERON, LA TO HIGH ISLAND, TX EXTENDING FROM 20 NM TO 60 NM- WATERS FROM INTRACOASTAL CITY, LA TO CAMERON, LA EXTENDING FROM 20 NM TO 60 NM- WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY, LA EXTENDING FROM 20 NM TO 60 NM- 545 AM CST WED FEB 2 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE NORTHWEST GULF OF MEXICO. .DAY ONE...TODAY AND TONIGHT STRONG NORTH WINDS WILL CONTINUE WITH SUSTAINED WINDS BETWEEN 20 AND 25 KNOTS WITH GUSTS TO 30 KNOTS OVER THE NEAR SHORE AND OUTER WATERS. THE NORTH WINDS WILL HELP LOWER WATER LEVELS IN COASTAL LAKES AND BAYS...WITH LOW WATER CONDITIONS EXPECTED DURING LOW TIDE TIMES. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THE STRONG NORTH WINDS WILL CONTINUE INTO EARLY FRIDAY BEFORE WINDS DIMINISH OVER THE WEEKEND. ANOTHER COLD FRONT WILL MOVE ACROSS ON MONDAY NIGHT WITH STRONG NORTH WINDS BEHIND IT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. RUA
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 2, 4:25 AM CST | Freeze Warning | LCH | Lafayette, Saint Martin | 11 hr |
| Feb 2, 4:25 AM CST | Hard Freeze Warning | LCH | Allen, Avoyelles, Beauregard, Evangeline, Lafayette, Rapides and 3 more | 30 hr |
| Feb 2, 3:22 PM CST | Winter Weather Advisory | LCH | Saint Martin | 45 hr |
Nearby
Winter Storm Watches in Louisiana, 2011Winter Storm Watches in Texas, 2011Every winter storm watch in 2011
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.