BLACK ROCK, AR - COOP Southeast station 030746

030746 - BLACK ROCK, Arkansas

Latitude
36° 6´N

Longitude
91° 6´W

Elevation
73 meters

10 nearest COOP Southeast stations

10 mi	ENE :	WALNUT RIDGE MUNICIPAL ARPT, AR
11 mi	W :	SMITHVILLE, AR
14 mi	NNE :	POCAHONTAS 1, AR
14 mi	S :	ALICIA, AR
22 mi	SW :	WALNUT GROVE 2 NNE, AR
24 mi	WNW :	HARDY, AR
27 mi	ENE :	BEECH GROVE, AR
27 mi	SE :	JONESBORO 4 N, AR
29 mi	W :	EVENING SHADE 1 NNE, AR
34 mi	E :	PARAGOULD 1 S, AR

Weather variables Help
Click a weather variable name to jump down to those statistics.

TMAX top of page

Data not shown:
Less than 5% of days have TMAX observations during NDJFM over 1948-1997

TMIN top of page

Data not shown:
Less than 5% of days have TMIN observations during NDJFM over 1948-1997

PRCP (total liquid water equivalent) Help top of page

PRCP	observations	mean		Distribution	during extreme days of
NDJFM	7554 by year	0.14"		overall	NAM	PNA	CTI

PRCP and NAM Help scatterplot	days by month	mean	mean NAM index	extreme high NAM days	extreme low NAM days	ratio of extreme high:low NAM days
Observed events Days with PRCP>0.00"	1894	0.57"	0.06	335	307	1.1	map	table
Extreme events Days with PRCP>0.91"	378	1.65"	0.15	68	49	1.4	map	table

PRCP and PNA Help scatterplot	days by month	mean	mean PNA index	extreme high PNA days	extreme low PNA days	ratio of extreme high:low PNA days
Observed events Days with PRCP>0.00"	1894	0.57"	-0.27	215	401	1.9*	map	table
Extreme events Days with PRCP>0.91"	378	1.65"	-0.54	23	93	4.0*	map	table

PRCP and CTI Help	days by month	mean	high CTI days (moderate to strong El Niño winters)	low CTI days (moderate to strong La Niña winters)	ratio of high:low CTI (El Niño:La Niña days)
Observed events Days with PRCP>0.00"	1894	0.57"	312	299	1.0	map	table
Extreme events Days with PRCP>0.91"	378	1.65"	64	60	1.1	map	table

PRCP under 2 index extremes Help

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SNOW Help top of page

SNOW	observations	mean		Distribution	during extreme days of
NDJFM	7289 by year	0.03"		overall	NAM	PNA	CTI

SNOW and NAM Help scatterplot	days by month	mean	mean NAM index	extreme high NAM days	extreme low NAM days	ratio of extreme high:low NAM days
Observed events Days with SNOW>0.0"	112	2.15"	-0.50	9	30	3.3*	map	table
Extreme events Days with SNOW>3.0"	22	5.18"	-0.65	2	10	5.0	map	table

SNOW and PNA Help scatterplot	days by month	mean	mean PNA index	extreme high PNA days	extreme low PNA days	ratio of extreme high:low PNA days
Observed events Days with SNOW>0.0"	112	2.15"	0.40	30	13	2.3*	map	table
Extreme events Days with SNOW>3.0"	22	5.18"	0.54	7	2	3.5	map	table

SNOW and CTI Help	days by month	mean	high CTI days (moderate to strong El Niño winters)	low CTI days (moderate to strong La Niña winters)	ratio of high:low CTI (El Niño:La Niña days)
Observed events Days with SNOW>0.0"	112	2.15"	17	16	1.1	map	table
Extreme events Days with SNOW>3.0"	22	5.18"	3	2	1.5	map	table

SNOW under 2 index extremes Help

Maps - choose one extreme: