Alert archive / Mississippi / Winter Storm Watches in 2013

Winter Storm Watch 2, NWS Jackson, MS

January 16, 201327 counties in Mississippi

NWS Jackson, MS issued this winter storm watch at Jan 16, 2013, 1:10 PM CST for 27 counties in Mississippi. It took effect at Jan 17, 2013, 12:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 16, 2013, 1:10 PM CST (19:10 UTC)
In effect from
Jan 17, 2013, 12:00 AM CST
Expired
Jan 16, 2013, 8:46 PM CST
In force
Issued by
NWS Jackson, MS
All 27 counties

Attala County, MS, Carroll County, MS, Choctaw County, MS, Clay County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Kemper County, MS, Lauderdale County, MS, Leake County, MS, Leflore County, MS, Lowndes County, MS, Madison County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Warren County, MS, Webster County, MS, Winston County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 85 km from the middle of the area, began a volume at 19:12 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

Birmingham, AL (KBMX), launched 12:00Z, 7.2 hours before the alert went out and 267 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-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2013-01-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2013-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
395 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Jackson, MS wrote its last area forecast discussion before this winter storm watch went out at Jan 16, 11:32 AM CST, 1 hour 38 minutes earlier.

Area forecast discussion, Jan 16, 11:32 AM CST, 1 hour 38 minutes before
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Hazardous weather outlook, Jan 16, 5:47 AM CST, 7 hours 23 minutes before
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In the hours before

Local storm report, Jan 16, 7:30 AM CST, 5 hours 40 minutes before
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Local storm report, Jan 16, 8:26 AM CST, 4 hours 44 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 15, 6:03 PM CSTAreal Flood WarningJANAttala, Carroll, Choctaw, Clay, Holmes, Kemper and 10 more6 hr
Jan 15, 9:03 PM CSTRiver Flood WarningJANCopiah, Simpson13 days
Jan 15, 9:03 PM CSTRiver Flood WarningJANMarion12 days
Jan 16, 4:09 AM CSTFreezing Rain AdvisoryJANBolivar, Humphreys, Issaquena, Leflore, Sharkey, Sunflower and 1 more8 hr
Jan 16, 10:13 AM CSTRiver Flood WarningJANLeake5 days
Jan 16, 10:13 AM CSTRiver Flood WarningJANMadison, Rankin5 days
Jan 16, 12:38 PM CSTRiver Flood WarningJANAttala55 hr
Jan 16, 1:39 PM CSTRiver Flood WarningJANCarroll, Leflore21 hr
Jan 16, 2:57 PM CSTAreal Flood WarningJANMorehouse48 hr

Nearby

Winter Storm Watches in Mississippi, 2013Every winter storm watch in 2013

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.