Alert archive / Missouri / Winter Storm Watches in 2012
Winter Storm Watch 1, NWS Springfield, MO
NWS Springfield, MO issued this winter storm watch at Dec 23, 2012, 3:36 PM CST for 8 counties in Missouri. It took effect at Dec 25, 2012, 3:00 PM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 23, 2012, 3:36 PM CST (21:36 UTC)
- In effect from
- Dec 25, 2012, 3:00 PM CST
- Expired
- Dec 24, 2012, 2:38 PM CST
- In force
- Issued by
- NWS Springfield, MO
Counties Dent County, MO, Douglas County, MO, Howell County, MO, Oregon County, MO, Ozark County, MO, Shannon County, MO, Taney County, MO, Texas County, MO
The radar
The Springfield radar (KSGF), 126 km from the middle of the area, began a volume at 21:35 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
Springfield, MO (KSGF), launched 12:00Z, 9.6 hours before the alert went out and 159 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
- 1059 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 249 m²/s²
- 0-3 km storm-relative helicity
- 261 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 Springfield, MO wrote its last area forecast discussion before this winter storm watch went out at Dec 23, 3:17 PM CST, 19 minutes earlier.
Area forecast discussion, Dec 23, 3:17 PM CST, 19 minutes before
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</html>Hazardous weather outlook, Dec 23, 1:05 PM CST, 2 hours 31 minutes before
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Winter Storm Watches in Missouri, 2012Every winter storm watch in 2012
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.