Dec 10, 2023 1630 UTC Day 1 Convective Outlook
Updated: Sun Dec 10 16:35:11 UTC 2023 (20231210 1630Z Day 1 shapefile | 20231210 1630Z Day 1 KML)
Probabilistic to Categorical Outlook Conversion Table
Categorical Graphic
20231210 1630 UTC Day 1 Outlook Graphic
Day 1 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
SLIGHT 51,647 7,983,012 Virginia Beach, VA...Raleigh, NC...Norfolk, VA...Chesapeake, VA...Durham, NC...
MARGINAL 119,998 28,497,528 Jacksonville, FL...Baltimore, MD...Charlotte, NC...Washington, DC...Tampa, FL...
Probabilistic Tornado Graphic
20231210 1630 UTC Day 1 Tornado Probabilities Graphic
Probability of a tornado within 25 miles of a point.
Hatched Area: 10% or greater probability of EF2 - EF5 tornadoes within 25 miles of a point.
Day 1 Tornado Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
5 % 51,759 7,995,289 Virginia Beach, VA...Raleigh, NC...Norfolk, VA...Chesapeake, VA...Durham, NC...
2 % 78,352 10,961,627 Jacksonville, FL...Charlotte, NC...Greensboro, NC...Tallahassee, FL...Savannah, GA...
Probabilistic Damaging Wind Graphic
20231210 1630 UTC Day 1 Damaging Wind Probabilities Graphic
Probability of damaging thunderstorm winds or wind gusts of 50 knots or higher within 25 miles of a point.
Hatched Area: 10% of greater probability of wind gusts 65 knots or greater within 25 miles of a point.
Day 1 Wind Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
15 % 38,807 4,607,780 Virginia Beach, VA...Norfolk, VA...Chesapeake, VA...Newport News, VA...Hampton, VA...
5 % 132,685 31,840,727 Jacksonville, FL...Baltimore, MD...Charlotte, NC...Washington, DC...Raleigh, NC...
Probabilistic Large Hail Graphic
20231210 1630 UTC Day 1 Large Hail Probabilities Graphic
Probability of hail 1" or larger within 25 miles of a point.
Hatched Area: 10% or greater probability of hail 2" or larger within 25 miles of a point.
Day 1 Hail Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
   SPC AC 101635

   Day 1 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   1035 AM CST Sun Dec 10 2023

   Valid 101630Z - 111200Z

   ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS NORTHERN
   FL/SOUTHERN GA AND THE CAROLINAS/EASTERN VA...

   ...SUMMARY...
   Damaging wind gusts and a few tornadoes are possible over portions
   of the eastern Carolinas and southeastern Virginia, as well as
   portions of northern Florida and far southern Georgia.

   ...Northern/central Florida into southeast Georgia...
   A quasi-linear band of strong to occasionally severe storms has
   persisted into midday from the northeast Gulf of Mexico into
   northern Florida and far southern Georgia. Destabilization will
   likely remain muted particularly with northern extent into/across
   southern Georgia, but some cloud breaks with somewhat stronger
   heating is occurring across the central into northern Florida
   Peninsula. Short-term guidance advertises a restrengthening of
   southwesterly winds in the lowest 2-3 km AGL through the afternoon,
   which will allow a continuance of well-organized/mostly quasi-linear
   storm structures capable of a tornado and localized wind damage risk
   where modest destabilization occurs inland. See Mesoscale Discussion
   2324 for additional short-term details.

   ...Carolinas/eastern Virginia...
   Although cloud cover remains prevalent through late morning,
   low-level moistening continues to occur with increasingly prevalent
   middle 60s F surface dewpoints near/east of the front near and
   parallel to the spine of the Appalachians at midday. Modest diurnal
   destabilization combined with strong deep-layer/low-level shear will
   support an increasing potential, at least on an isolated basis, for
   some severe storms through the afternoon. This would potentially
   include a few semi-discrete supercells/line segments capable of wind
   damage and a tornado risk, which could peak into late afternoon and
   persist through the evening given an advertised increase in
   low-level flow, prior to the front clearing the coast late tonight.

   ..Guyer/Weinman.. 12/10/2023

   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 2000Z